New Delhi, March 26 -- US stocks edged lower on Wednesday on a selloff in big tech shares, with concern about the economic impact of a tariffs war.

A warning from the Congressional Budget Office that the Treasury risks a payment default in August also weighed on sentiments.

As of 12:36 PM EDT, the S&P 500 was 0.80 per cent lower, the Dow Jones Industrial Average was down 0.08 per cent, and the Nasdaq Composite fell 1. 56 per cent.

In the bond market, the yield on the 10-year Treasury rose to 4.34 per cent from 4.31 per cent late on Tuesday.

Among megacap stocks. Nvidia stock fell 5.36 per cent, Tesla dropped 5.01 per cent, Alphabet lost 1.78 per cent, and Apple shed 0.16 per cent.

GameStop shares soared 13.1 per cent after the video-...