In 1987, a brokerage firm observed that “since 1965, the Dow Jones Industrial Average declined 16 out of 21 times during the month of May. As of this writing, it appears as if another down May is in the offing. We offer no rational explanation for this ‘May phenomenon.’ We only observe that it often sets up attractive trading opportunities”

[28]. Does this evidence persuade you that people should sell their stocks next April?

Why or why not?