Regions' Financial Corp. on Thursday announced a $10 billion deal to buy AmSouth Bancorp, a competing Alabama bank, Reuters reported on Thursday. The deal will increase Regions' status to a national bank that would appear in the top 10 U.S....

Reuters - Regions Financial Corp. has agreed to buy AmSouth Bancorp for about $10 billion, the Wall Street Journal said on Thursday, amid a merger frenzy sweeping through the U.S. regional banking industry.