Hedge fund manager John Paulson, who earned a fortune by betting against financial companies, bought a $2.7 billion stake in Bank of America and took stakes in other lenders during the second quarter.

Credit ratings agency Standard & Poor's on Wednesday cut ratings on 18 banks amid concern about further weakening in the financial sector.

Mad Money needed new inductees for its Wall of Shame, so we asked viewers to send suggestions. Read on to get their opinions on the CEOs at Verizon, Capital One, Chesapeake Energy, Boeing, Regions Financials and more. After you've seen all 15 "worst of the worst," vote for your least favorite.

Stock markets are just at the beginning of a larger rally which could see the major indexes jump another 20-to-30 percent and banks are the best bet, Michael Browne, portfolio manager from Sofaer Global Research, told CNBC.

Stocks shed 1.8 percent Monday as investors took a breather after last week's run. The Nasdaq's drop was less severe as techs gained.

Stocks retreated Monday as investors took a breather after last week's run. The Dow was down over 100 points in the first few minutes of trading as banks declined.

Following last week's gains, stock index futures indicated a lower open for the stocks Monday as investors remained concerned about the health of the financial system as the stress-test hype wears off.

Stocks capped another strong week with a triple-digit rally Friday as Wall Street breathed a sigh of relief after the stress-test results and banks soared.