*Corn most hit, with outflow of $3.1 bln; soy, gold next. Money managers slashed by $9.7 billion their net-long holdings across 22 commodities to $59.7 billion during the week to April 2, according to Reuters calculations of data released by the Commodity Futures Trading Commission. Corn, gold and soybeans accounted for nearly 80 percent of the latest decline.
CNBC's Josh Lipton looks at three stocks for Monday, including Alcoa, which kicks off earnings after the bell Monday. And the Macy's, JC Penney, Martha Stewart trial resumes Monday.
Paul Dietrich, Fairfax Global Markets; John Spallanzani, GFI Group; Quint Tatro, Tatro Capital; and Heather Hughes, SunAmerica Funds, discuss what pushed the markets lower today and where stocks are likely to go from here.