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Beat the market by following the CEO’s stock options
According to research done by Bloomberg you can beat the stock market on average by 5.2 % yearly if you buy the stock the exact moment the CEO announce they have been awarded stock options. Holding the stock for 3 months beats the market by 5.2% per year. Holding the stock for 180 days beats the market by 4.2% per year.

Bloomberg studied 4.290 cases of option grants in 1500 companies, including Yahoo! Inc. and Advanced Micro Devices Inc.

Also there have been a practice of back dating stock options to periods were the stock price were low, but back dating practice has been eliminated from the study.

The statistics:
Quote: “According to Stephen O’Byrne, a mathematician and president of Larchmont, New York-based Shareholder Value Advisors Inc., the probability that this finding occurred by chance is less than one in a trillion.”