We examine the market reaction to business method patents granted to publicly-traded firms. Our findings suggest that the State Street decision represents a turning point not only for the growth in the number of business method patent filings, but also in the market's awareness and perception of...

We examine the potential for short-selling trading abuses unique to Nasdaq during a period when there was no up-tick rule and no effective prohibitions against quot;nakedquot; short selling. We find that (1) short sellers earned significant abnormal returns on Nasdaq securities, but these were...