Citigroup (C) (BAC) (JPM) (MS) Crushed Monday

Citigroup, Bank of America, JPMorgan and Morgan Stanley (NYSE:MS) got hammered on Monday, as the crumbling EU continues to weigh on the sector.

Some banks also took some damage from the failed bid by AT&T (NYSE:T) for T-Mobile USA.

Shares of Bank of America plunged below the $5 mark, the first time since March 2009 it has traded at that low of a level.

AS measured by percentage, Morgan Stanley took the biggest hit, closing at $14.16, down $0.82, or 5.47 percent.

Bank of America closed at $498.50, losing $0.215, or 4.13 percent. Citigroup ended the day at $14.82, down $1.21, or 4.65 percent. JPMorgan closed at $30.70, dropping $1.19, or 3.73 percent.