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The Stock Market Reaction To Class Action Filings Post Pslra, Mark S. Klock Feb 2013

The Stock Market Reaction To Class Action Filings Post Pslra, Mark S. Klock

Mark S Klock

Using a substantially larger sample than has been used before, and a sample that includes the Great Financial Crisis and its ensuing recession, I investigate the stock market reaction to securities class action filings following the enactment of the Private Securities Litigation Reform Act through the first quarter of 2012. I find that on average, even after adjusting for market downturns, there is a statistically significant negative abnormal return at the time of filing. There is also a statistically significant negative abnormal return during the weeks preceding the filing indicating that the market partially, but not fully, anticipates these filings. …


What Will It Take To Label Participation In A Deceptive Scheme To Defraud Buyers Of Securities A Violation Of Section 10(B)? The Disastrous Result And Reasoning Of Stoneridge, Mark S. Klock Mar 2009

What Will It Take To Label Participation In A Deceptive Scheme To Defraud Buyers Of Securities A Violation Of Section 10(B)? The Disastrous Result And Reasoning Of Stoneridge, Mark S. Klock

Mark S Klock

In 2008 the Supreme Court ruled in a 5 to 3 decision that participants to a sham transaction in the product market designed to fraudulently inflate revenue could not be liable in a private action to recover under Section 10(b) of the Securities and Exchange Act because the participants had not communicated directly with the shareholders and therefore the public could not have relied on the misrepresentations. Early commentary has been critical of the majority’s legal reasoning. I bring additional economic theory to the criticism of the majority in light of the subsequent financial sector and macroeconomic collapse and the …