India, May 30 -- U.S. stocks are turning in a weak performance on Friday amid renewed concerns over trade tensions, and a batch of mixed economic data.

The major averages all are down in negative territory, with the tech-laden Nasdaq underperforming. The Dow, which briefly emerged into positive territory after a weak start, retreated again and was down 65.40 points or 0.15 percent at 42,150.33 a little while ago.

The S&P 500 was down 22.05 points or 0.37 percent at 5,890.12, while the Nasdaq was lower by 137.54 points or 0.71 percent at 19,038.34.

Nvidia, which turned in a fine performance in the previous session thanks to strong results, is down by about 3 percent.

Intel and Micron Technology are down 2.7 percent and 2.2 percent, respe...