CNNMoney | Stocks swing violently on oil turbulence CNNMoney Cheap oil is great for consumers -- but it's fueling lots of turmoil on Wall Street. Investors fear it's a bad omen, signaling something wrong with the underlying economy. Yet many believe the oil crash has been driven by an epic supply glut, not an ... Wild day on Wall Street as Dow dives 350 points and oil crashes below $27 Dow sinks 250 points as oil dives to near record low |