Stocks gave up earlier gains Monday, with the Dow ending about 216 points lower, after Bloomberg reported on cost-cutting efforts taking shape at Apple Inc., a week before the iPhone maker reports quarterly results. The Dow Jones Industrial Average          DJIA,         -0.69%        fell about 216 points, or 0.7%, to end near 31,071. The tech-heavy S&P 500 index          SPX,         -0.84%        and Nasdaq Composite Index          COMP,         -0.81%        shed about 0.8% each, according to FactSet. The Bloomberg report detailed plans by Apple          AAPL,         -2.06%        to curtail hiring and spending for some teams next year, sending shares of the technology giant down 2.1%. At the session highs, the Dow was up more than 350 points.