Discussion of 'Anomalous Stock Returns Around Internet Firms' Earnings Announcements'

Posted: 5 Feb 2003

See all articles by Philip G. Berger

Philip G. Berger

University of Chicago - Chookaszian Accounting Research Center

Abstract

Trueman, Wong, and Zhang (TWZ) investigate an apparent anomaly in the pricing of internet firms around their earnings announcements, which they attribute to price pressure. The discussion addresses three concerns. The paper is unusual in choosing an event (earnings announcements) that does not appear to have an obvious non-information-related reason for triggering unjustified changes in demand for the firm's shares. Relatedly, there are limitations to the tests made of the price pressure hypothesis. Finally, the discussion elaborates on TWZ's brief mention of the difficulties with implementing a profitable trading strategy based on the stock return pattern they document.

Keywords: capital market, market efficiency, price pressure

JEL Classification: G14, M41

Suggested Citation

Berger, Philip G., Discussion of 'Anomalous Stock Returns Around Internet Firms' Earnings Announcements'. Available at SSRN: https://ssrn.com/abstract=377562

Philip G. Berger (Contact Author)

University of Chicago - Chookaszian Accounting Research Center ( email )

1101 East 58th Street
Chicago, IL 60637-1561
United States

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