[bank of America: hedge funds and share buybacks drive net inflows into US stock markets last week] April 26, Bank of America's client capital flow data show that investors bought US stocks for the first time in a month last week. Hedge fund buying outstripped selling by institutional and retail investors. U. S. stocks attracted $2.3 billion last week, Bank of America strategists Jill Carey Hall and Savita Subramanian wrote in a note to clients. Hedge funds increased their holdings for the second week in a row, and a surge in share buybacks by Bank of America's corporate clients also helped boost net purchases. Insiders bought shares at their highest level since October.