The day before First Washington Bancorp announced last December that it had hired an investment adviser to look into selling, the thrift's trading volume was three times higher than average, and its stock price jumped 10%.

Less than a month later, the Herndon, Va., the company was sold.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.