On Thursday, March 23, investors await the House vote on the GOP health care bill, the American Health Care Act. A rejection of the bill from House members could spark volatility in stock markets as investors start to question whether or not Trump can succeed in passing other parts of his agenda, including tax reform. As for corporate earnings, ConAgra Brands (CAG - Get Report) , KB Home (KBH - Get Report) and Micron Technology (MU - Get Report) release earnings on Thursday. As for economic developments, weekly jobless claims are released at 8:30 a.m. EST, while Federal Reserve Chair Janet Yellen is speaking at 8:45 a.m. New home sales figures for February are out at 10 a.m.