Indices ended trading in the red zone on Friday. Stocks dipped following the release of less-than-stellar payrolls activity for February. The U.S. economy added 20,000 jobs last month. The result was down from January’s pace of 304,000, and well below the 172,000 MarketWatch forecast. The unemployment rate slipped to 3.8% from 4%. On another note, new construction ticked up in January. Commerce Department data showed housing starts increased by 18.6% to an annual rate of 1.23 million.