Markets may feel chill if thaw doesn't come soon By: CNBC.com News March 28, 2014 at 18:51 PM EDT April could be the cruelest month for stocks so far this year if warmer weather doesn't reverse a trend of weaker economic data. Read More >> Related Stocks: Barclays Plc ADR CarMax Exxon Mobil Facebook Global Payments Inc JPMorgan Chase & Co Micron Technology Monsanto Co Nasdaq Biotechnology Ishares ETF Netflix RPM International Inc