We report three new findings that rely upon the high-low price range as an estimate of stock return variance. The predictability of variance is associated with persistence in high prices and with correlated shocks to high and low prices. Excess stock returns are positively related to anticipated...

The authors present the first evidence that initial ratings of commercial paper influence common stock returns. Highly rated industrial issues of commercial paper, unaccompanied by bank letters of credit, are associated with significantly positive abnormal returns; lower-rated issues are not....

Gain and loss, calculated from the upside and downside portions of return distributions, play a pivotal role in the two-state model. A two-state economy possesses a universal gain-loss ratio (G/L) for all assets that is related to the ratio of state prices and to the familiar risk-neutral...

That corporate insiders earn profits from stock trading does not surprise most financial economists, but that outsiders can earn abnormal returns by using pub licly-available, insider-trading data constitutes a serious exception to stock-market efficiency. The authors show that this anomaly...