CNBC | Dow closes down about 300, S&P off nearly 2% as oil slumps CNBC U.S. stocks closed out a volatile week with sharp losses Friday, as oil hit near-seven-year lows and another corporate merger weighed ahead of the Fed's highly anticipated decision on rates next week. News of a roughly $800 million junk bond fund ... Dow drops more than 300 as US oil under $36 a barrel Wall St. falls as oil's multi-year low adds to investor fears A Rout in Crude Oil Prices Hammers the Stock Market |