Investing Research Articles

…the quality (more than the quantity) of emerging earnings moves corporate officers to adjust repurchasing and personal trading of company stock.

Are there different patterns of short-term stock return reversal based on stock liquidity (measured by size, volatility or turnover)? In their January 2023 paper entitled “Reversals and the Returns to Liquidity Provision”, Wei Dai, Mamdouh Medhat, Robert Novy-Marx and Savina Rizova examine interactions between short-term reversal returns and stock liquidity metrics. They select reversal candidates… Keep Reading

Does intensity of firm quarterly earnings releases affect stock market behaviors? A reader proposed the following stock market timing strategy based on a strictly calendar-based definition of earnings season: go short (long) the market at the close at the end of the first full week (sixth full week) of each calendar quarter, representing the beginning… Keep Reading

A reader commented and asked: “I searched your site for ‘insider’ and found very little investigation of a relationship between insider buys and stock price movement. Is this an area you could look at, classify and present to readers?”

…change in non-farm employment by itself does not offer enough short-term explanatory power with respect to the stock market to justify trading on the announcement.

Do economic announcements systematically remove uncertainty from financial markets and thus reliably lower implied volatility indexes? In their September 2010 paper entitled “The Impact of Macroeconomic Announcements on Implied Volatilities”, Roland Füss, Ferdinand Mager and Lu Zhao measure the reactions of the Chicago Board Options Exchange Volatility Index (VIX) and the DAX Volatility Index (VDAX)… Keep Reading

Which consensus forecast of U.S. economic indicators is best? How does the U.S. equity market react to consensus forecast errors? In their April 2012 paper entitled “Market Reaction to Information Shocks: Does the Bloomberg and Briefing.com Survey Matter?”, Linda Chen, George Jiang and Qin Wang investigate the accuracy of, and equity futures market reactions to, competing Bloomberg… Keep Reading

…investors may be able to achieve abnormal returns by combining value and earnings surprises, with most of the benefit coming from value stocks with positive earnings surprises and positive earnings announcement abnormal returns.

We evaluate here the weekly commentary of Merrill Lynch’s Bob Doll from January 2003 (the earliest available) through September 2006. Bob Doll was President and CIO of Merrill Lynch Investment Managers, the firm’s asset management arm. With the October 2006 merger of this group with Blackrock Inc., Mr. Doll’s commentary for Merrill Lynch is discontinued. The… Keep Reading

Five years ago, a reader noted and asked: “CNBC’s Fast Money cited a ‘seasonal’ strategy described in Barron’s, as follows: Go long the market from Wal-Mart’s (WMT) earnings release until Alcoa’s (AA) earnings release and short the market from Alcoa’s earnings release until Wal-Mart’s earnings release (earnings season). Over the last six years, the market… Keep Reading