USA TODAY | Stocks close mixed as oil tanks almost 6% USA TODAY The stock market closed mixed on Monday, a welcome respite from what has been the worst start to a year ever on Wall Street, though the plunge in oil continued and sent crude prices to levels last seen in 2003. Stocks initially shrugged off more ... China, oil still hanging over Wall Street Wall Street steadies as oil plunges, China woes deepen China shares fall another 5%, Europe slips back as oil tumbles - as it happened |