Mumbai, Feb. 7 -- The Nasdaq climbed 99.66 points (0.5%) to 19,791.99 and the S&P 500 rose 22.09 points (0.4%) to 6,083.57 but the narrower Dow fell 125.65 points (0.3%) to 44,747.63.

Choppy trading on Wall Street reflected caution among traders ahead of the Labor Department's monthly jobs report, expected to show a gain of 170,000 jobs in January, down from 256,000 in December, potentially influencing interest rate expectations. Ahead of this, another Labor Department report revealed initial jobless claims rose by 11,000 to 219,000 for the week ending February 1, surpassing expectations. A separate report released by the Labor Department showed U.S. labor productivity and unit labor costs both increased by less than expected in the four...