USA TODAY | Dow down 300 as oil falls back toward $30 USA TODAY Stocks were trading sharply lower in afternoon trading Tuesday, with the Dow down more than 300 points after another sell-off in the oil patch put energy shares on the defensive and risk-taking on hold in what has been a difficult start to 2016 ... Dow drops 300 as oil falls; Nasdaq off 2% as Alphabet halves gains Dow futures down triple digits as oil, earnings weigh Stocks extend losses; Dow tumbles 300 points |