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8/12/2019 Partha Mohanram - Applying Fundamental Analysis for Growth Stocks - BOS - 10.9.07
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Applying Fundamental Analysis for Growth Stocks
October 9, 2007
Boston
Partha MohanramPhillip H. Geier Jr. Associate Professor of Business
Columbia Business School
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Council Member Biography
Partha Mohanram is the Phillip H. Geier Jr. Associate Professor atColumbia Business School. His research focuses on the valuationof stocks, corporate disclosure and earnings management. Hispapers have studied the valuation of Internet stocks, thecalculation of cost of capital, the use of fundamental analysis forvaluing growth stocks, the analysis of earnings management
related to executive compensation, and the impact of Reg FD onsell side analysts. He has published in top accounting journalsand is on the editorial board of The Accounting Review. Hisresearch has been featured in the New York Times and he hasappeared on CNBC. Prof Mohanram teaches Financial StatementAnalysis and Valuation with an emphasis on exposing students topotential manipulations of financial statements. Prof Mohanramwas a faculty member at the Stern School (NYU) from 1998-2003.He holds a B.Tech in Computer Science from IIT-Madras, an MBAfrom IIM-Ahmedabad and a PhD in Business Economic fromHarvard.
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Topics
How fundamental analysis applies to growth stocks
Applying the GSCORE to growth stock portfolios
Historical portfolio results of the growth stock model
Unsuccessful approaches of fundamental analysis to growth
stock portfolios
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About GLG Institute
GLG Institute (GLGiSM) is a professional organization focused on educatingbusiness and investment professionals through in-person meetings. It isdesigned to revolutionize the professional education market by putting thepower of programming into the hands of the GLG community.
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Gerson Lehrman Group Contacts
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Accounting & Financial Analysis (AFA)
Gerson Lehrman Group
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IMPORTANT GLG INSTITUTE DISCLAIMERBy making contact with this/these Council Members andparticipating in this event, you specifically acknowledge, understand and agree that you must not seek outmaterial non-public or confidential information from Council Members. You understand and agree that the
information and material provided by Council Members is provided for your own insight and educationalpurposes and may not be redistributed or displayed in any form without the prior written consent of GersonLehrman Group. You agree to keep the material provided by Council Members for this event and thebusiness information of Gerson Lehrman Group, including information about Council Members, confidentialuntil such information becomes known to the public generally and except to the extent that disclosure maybe required by law, regulation or legal process. You must respect any agreements they may have andunderstand the Council Members may be constrained by obligations or agreements in their ability to consulton certain topics and answer certain questions. Please note that Council Members do not provideinvestment advice, nor do they provide professional opinions. Council Members who are lawyers do notprovide legal advice and no attorney-client relationship is established from their participation in this project.
You acknowledge and agree that Gerson Lehrman Group does not screen and is not responsible for thecontent of materials produced by Council Members. You understand and agree that you will not holdCouncil Members or Gerson Lehrman Group liable for the accuracy or completeness of the informationprovided to you by the Council Members. You acknowledge and agree that Gerson Lehrman Group shallhave no liability whatsoever arising from your attendance at the event or the actions or omissions ofCouncil Members including, but not limited to claims by third parties relating to the actions or omissions ofCouncil Members, and you agree to release Gerson Lehrman Group from any and all claims for lost profitsand liabilities that result from your participation in this event or the information provided by CouncilMembers, regardless of whether or not such liability arises is based in tort, contract, strict liability orotherwise. You acknowledge and agree that Gerson Lehrman Group shall not be liable for any incidental,
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Fundamental Analysis for Growth
Stocks
By
Partha Mohanram
Phillip H. Geier Jr. Associate Professor of Business
Columbia Business School
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About Me
Professor at Columbia since 2003 On NYU Stern Faculty since 1998
Ph.D. in Business Economics From Harvard
Extensive Research Work on Valuation, with emphasis on early stage growth forms
Implied Cost of Capital
Earnings Management and Compensation
Published in Leading Accounting Journals
Editorial Board of The Accounting Review
Teach Financial Statement Analysis to 2ndyear MBAs,Executive MBAs and Executives
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GSCORE Paper
Todays presentation based on the paper
Separating Winners from Losers Among Low Book-to-
Market Stocks using Financial Statement Analysis
Presented at NYU, Harvard, Berkeley and the Review of
Accounting Studies Conference
Published in the Review of Accounting Studies (2005)
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Growth Stocks
Growth Firms identified by their Market-to-Book (or Book-to-Market) ratio is. Firms in the top 20% of MB, or equivalently bottom 20% of BM
considered growth stock.
Empirical Fact Growth Stocks perform poorly, underperforming by almost 10%
historically
Unclear if this is because of risk or mispricing
However, we do know that some growth stocks end up as the Googles
and Microsofts of the world and others as the Dr. Koops.
Growth stocks by definition have lofty valuations Can one apply fundamental analysis to systemically predict which ones
deserve this and which dont?
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Fundamental Analysis in Growth
Firms
Why it may not work?
Markets may use non-financial metrics
These firms are not ignored
Early stage firmstraditional ratios may not work
Why it may work?
In the long run, fundamentals will matter
Firms may be hyped systematically
While traditional ratios may not work, some otherfinancial statement info may be useful
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Modified Fundamental Analysis
Focus on cross-sectional vs. time series Comparison of firm with other low BM firms in same industry (2 digit SIC
code)
Eight Yes/No Questions in three categories. Can be viewed as a serialstock screening method
Three kinds of signals Traditional profitability signals (ROA, CF ROA)
No breakdowns into margins, turnovers etc
Signals related to nave extrapolationROA variability, growth variability Firms less likely to have chance high realization
Separating out the low B firms from the high M firms Firms investing in the future (R&D, Capex, Advertising)
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Basic Profitability Signals (3)
1. Is Firm more profitable than peers?
Profitability defined as Net Income/Total Assets
2. Is Firm generating more cash flows than peers? Measured as Cash from Operations/Total Assets
3. Does the firm have lower accruals than peers?
Measured as difference between above two metrics An attempt to control for Accrual Anomaly of Sloan
(1996)
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Earnings and Growth Stability Signals
(2)
Investors naively extrapolate current earnings and growthperformance into stock price
Some firms may have lucky current realizations, not likely to persist
Focus on firms with track record of stable earnings and growth
Measure earnings and growth variability as variance of past earnings(NI/Assets) and sales growth respectively
1. Does firm have less variable earnings than peers?
2. Does firm have less variable (sales) growth than peers?
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Investing in Future Signals (3)
High valuations are all about the future
Which firms are investing in the future?
R&D, Capex, Advertising
Accounting treatment for these also depress current earningsand book values
Low B vs. High M Stocks
1. Is firms R&D/Assets greater than peers?
2. Is firms Advertising/Assets greater than peers?
3. Is firms Capex/Assets greater than peers?
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The GSCORE Metric
Combine 8 binary signals into single metric,GSCORE
Made it simple; no weighted measure or continuousmeasure
Can take value from 0 to 8
If this works Low GSCORE firms should perform poorly
High GSCORE firms should perform well
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Individual Examples
High GSCORE SAMPLE
TICKER NAMEGSCORE
(end of 2005)Return
(in 2006) Works
CSCO CISCO SYSTEMS INC 8 30.5% YES
ACN ACCENTURE LTD 8 28.4% YES
MSFT MICROSOFT 7 24.9% YES
LLTC LINEAR TECHNOLOGY CORP 7 -13.8% NO
Low GSCORE SAMPLE
TICKER NAMEGSCORE
(end of 2005)Return
(in 2006) Works
OPWV OPENWAVE SYSTEMS INC 2 -50.4% YES
SIRI SIRIUS SATELLITE RADIO INC 2 -24.4% YESAMTD TD AMERITRADE HOLDING CORP 2 -12.8% YES
MICC MILLICOM INTL CELLULAR SA 2 25.3% NO
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Portfolio Results (from Paper)
TABLE 4. Returns to an Investment Strategy Based on GSCORE for Low BM Firms.
Panel B: Distribution of SRET1(One-Year Size Adjusted Returns)
GSCORE N Mean 10% 25% Median 75% 90% % Positive
0 614 -19.1% -87.8% -61.7% -34.7% 2.7% 62.0% 26.2%
1 2191 -17.0% -86.1% -62.4% -34.0% 5.0% 52.8% 27.4%
2 4038 -14.0% -84.8% -61.4% -30.9% 7.6% 60.1% 28.6%
3 4378 -12.7% -83.1% -57.4% -25.2% 10.8% 60.6% 31.3%
4 3974 -6.7% -71.8% -46.0% -15.7% 16.9% 61.4% 36.4%
5 3477 -3.2% -62.7% -38.5% -10.2% 18.3% 56.3% 39.7%
6 2139 1.3% -54.0% -31.2% -5.1% 20.4% 57.6% 44.0%
7 803 6.8% -49.7% -23.9% 0.0% 23.3% 62.7% 49.9%
8 110 11.4% -51.9% -22.5% -0.2% 21.1% 62.4% 50.0%
ALL 21724 -8.7% -76.4% -50.7% -19.1% 14.3% 58.6% 34.6%
HIGH (6,7,8) 3052 3.1% -52.6% -29.1% -3.7% 21.1% 58.9% 45.8%
LOW (0,1) 2805 -17.5% -86.3% -62.1% -34.0% 4.5% 54.7% 27.2%
HIGHLOW 20.6% 30.3% 18.6%
t-statistic/ z-statistic 10.41*** 21.23*** 15.12***
Bootstrap Result 0/1000 0/1000 0/1000
p-value (0.000) (0.000) (0.000)
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Portfolio Results (2 year Horizon)
Panel D: Distribution of SRET12(Two-Year Size Adjusted Returns)
GSCORE N Mean 10% 25% Median 75% 90% % Positive
0 614 -36.1% -120.8% -92.5% -58.1% -10.6% 50.0% 26.2%
1 2191 -32.8% -116.3% -91.1% -56.5% -5.9% 60.1% 27.4%
2 4038 -26.4% -114.4% -88.6% -54.2% -1.9% 69.4% 28.6%
3 4378 -22.4% -111.7% -86.7% -46.4% 7.5% 74.5% 31.3%
4 3974 -9.9% -102.0% -71.9% -30.5% 21.4% 90.6% 36.4%
5 3477 -6.2% -92.1% -61.1% -21.1% 22.3% 81.8% 39.7%6 2139 0.9% -81.0% -49.3% -11.8% 28.1% 82.9% 44.0%
7 803 13.4% -73.1% -41.2% -1.7% 40.4% 108.3% 49.9%
8 110 15.5% -64.1% -38.4% -4.3% 34.0% 121.7% 50.0%
ALL 21724 -15.9% -106.5% -77.2% -36.1% 14.7% 79.1% 34.6%
HIGH (6,7,8) 3052 4.7% -77.5% -46.9% -8.8% 31.5% 89.6% 45.8%
LOW (0,1) 2805 -33.5% -117.8% -91.4% -57.0% -7.2% 58.2% 27.2%
HIGHLOW 38.3% 48.2% 18.6%
t-statistic/ z-statistic 14.25
***
21.24
***
15.12
***
Bootstrap Result 0/1000 0/1000 0/1000
p-value (0.000) (0.000) (0.000)
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Results Across Time (1 year Horizon)
Post 2001 numbers based on additional analysis
GSCORE Strategy return:
Return to a strategy of going long in High GSCORE Firms and going short on low GSCORE
Firms
-20.0%
-10.0%
0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
1979 1981 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005
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Analysis of Results
Robust Across Time Unlikely to be driven by risk based explanations
Most of the Returns from the DownsideNeed to have the ability to short Difficult to pick undervalued gems in this highly valued
space
Robust across partitions Size, Analyst Following, Liquidity, Exchange Listing
Should allay implementability concerns
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Implications
This approach helps identify which stocks to avoid. Important for investors who can use this approach to separate the wheat from
the chaff.
This strategy can be profitable if one has the ability and willingness to short
Basic Fundamental Analysis has a role to play in the growth stock space aswell. Dont waste your time looking for the next new paradigm.
One has to tailor fundamental analysis to suit growth stocks where it is allabout expectations and long term performance.
Strategy works well in portfolioswith at least 50 stocks in both groups(high GSCORE and low GSCORE stocks). It may not work well with individual picks.