Marshall & Ilsley deal lifts regional banks By: MarketWatch December 17, 2010 at 10:01 AM EST A $4.1 billion deal for Marshall & Ilsley lifts bank stocks and raises hopes for more M&A deals in the sector. Read More >> Related Stocks: Bank of Montreal E Trade Financial Franklin Resources KeyCorp MasterCard Regions Financial S&P Bank ETF SPDR SunTrust Banks Visa