“…CP investigates the share price reaction of Andersen's clients to various information events that could lead investors to revise their beliefs regarding Andersen's reputation. ( Nelson KK, Price RA, Rountree BR, 2008) Perhaps most damaging to Andersen's reputation was their admission on January 10, 2002 that employees of the firm had destroyed documents and correspondence related to the Enron engagement. For a sample of S&P 1500 firms, CP reports that in the 3-day window following the shredding announcement (0, +2), Andersen clients experienced a significant −2.03% market reaction, and this reaction was significantly more negative than for Big 4 clients.…”