PRICE SLUMP: Commodities fell across the board after new reports offered signs a slowing economy. That is creating questions about the pace of economic growth in the months ahead.
FED STIMULUS: Investors are trying to determine how the economy will fare after the Federal Reserve ends a $600-billion bond-buying program at the end of June. The program went into effect in November to stimulate the economy.
METALS TARNISHED: Metals used in manufacturing fell after the Philadelphia Federal Reserve Bank said its monthly measure of manufacturing sank to its lowest reading since October. Gold and silver also settled lower.