BNKCAP

Bank of America, JPMorgan, Citi seen upping capital buffersHigher capital buffer leaves less cash for buybacks, dividendsWells buffer seen unchanged, Discover Financial improves mostS&P financial index has biggest one-day pct gain…

ZURICH, May 31 (Reuters) - Credit Suisse (CSGN.S) is in the early stages of weighing options to bolster its capital after a string of losses has eroded its financial buffers, two people with knowledge of the matter told Reuters.The size…