Federal Reserve Chairwoman Janet Yellen offered new assurances the Fed intends to keep interest rates low, describing in unusually personal terms why the economy needs these policies to support a weak job market. http://online.wsj.com/article/BT-CO-20140331-713756.html?mod=googlenews_wsj stockcharts.com/c-sc/sc?chart=SPY,uu[1284,986]jaclyiay[d2][pb55!b144!b233][vc60][ilk89,3!la8,17,9] stockcharts.com/c-sc/sc?s=UVXY&p=10&yr=0&mn=0&dy=5&i=p17262277375&a=270375646&r=1386794825868 stockcharts.com/c-sc/sc?s=QQQ&p=D&yr=0&mn=9&dy=0&i=p55889411466&r=2390 stockcharts.com/c-sc/sc?s=KBH&p=D&yr=0&mn=8&dy=5&i=p61609636066&r=2916 stockcharts.com/c-sc/sc?s=TZA&p=d&yr=0&mn=7&dy=0&id=p71304853842