Stocks close at the lows for the day, but banks a particularly poor showing:  Bank ETF $KBE down 3.6%, 6-week low.
$WFC  down 4.4%
$FITB   down 4.2%
$C       down 3.2%
$JPM   down 2.8%
Yield curve steepening, loan defaults, likely weak loan demand a real problem.
@CNBC