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NEW YORK — Stocks are drifting mostly lower in midday trading as tensions build in Ukraine, where the region of Crimea is preparing for a referendum on whether to split away and become part of Russia.
Those concerns offset an encouraging pickup in hiring by U.S. employers last month.
The Standard & Poor’s 500 index fell a point to 1,875 as of noon Eastern time.
The Dow Jones industrial average rose 27 points, or 0.2 percent, to 16,450. The Nasdaq composite lost 20 points, or 0.5 percent, to 4,332.
Biotechnology and health care stocks were among the biggest decliners.
Bond prices fell. The yield on the 10-year Treasury note rose to 2.80 percent from 2.74 percent late Thursday. The yield had been as low as 2.60 percent earlier this week.