US stock futures edged up after President Donald Trump's fast-moving trade policy led to another volatile trading day on Wall Street.

Doe Jones on Monday crashed 890.01 points or 2.08 per cent to close at 41,911.71. Nasdaq index lost 727.90 points or 4 per cent to close at 17,468.32 while S&P 500 index fell 155.64 points or 2.70 per cent to end at 5,

ET the Dow Jones Industrial Average fell 307.75 points, or 0.72%, to 42,492.47, the S&P 500 lost 74.89 points, or 1.30%, to 5,695.31, and the Nasdaq Composite lost 3