This summer may be different, according to James Stack of InvesTech Research.

FORBES: Summer Rally?

Also a supporter of Washington Mutual based on value and yield is James Stack of InvesTech Research, who's still up 16% on his WaMu investment and content to hold it.

FORBES: Magazine Article

The Dow Jones Industrial Average has experienced around 20 bear markets, averaging a duration of one and a half years from top to bottom, says James Stack, president of InvesTech Research, a US-based market tracking firm.

BBC: Explaining a bear market