Forbes | Dow plunges 331 points as oil falls below $50 CNNMoney What's going on? The main culprits of market jitters these days are falling oil prices and the souring global economy. Crude oil now trades at below $50 -- another psychological threshold for the market. Experts now predict oil could go as low as $40 ... Markets plunge as oil dips below $50; Euro drops Stocks Down Sharply As Oil Plunges Below $50 Per Barrel Oil drops below $50, prompting big sell-off |