We examine daily short selling of Nasdaq stocks to explore whether speculative short selling causes a significant portion of the weekend effect in returns. We identify a weekend effect in speculative short selling whereby it constitutes a larger percentage of trading volume on Mondays versus...

This paper examines the relationship between short selling in the equity market and corporate bond returns. We show that both shorting activity and size of short trades are inversely correlated with contemporaneous bond returns. In addition, firms with heavily shorted shares or large short trade...

We examine the frequency of short selling in stocks listed in the Nasdaq market. Using previously unavailable transaction data, we can report several findings: (1) overall, 1 of every 42 trades involves a short sale; (2) short selling is more common among stocks with high returns than stocks with...

This paper studies short-selling prior to the release of analyst downgrades in a sample of 670 downgrades of NASDAQ stocks between 2000 and 2001. We document abnormal levels of short-selling in the three days before downgrades are publicly announced. Further, we show that this pre-announcement...