Tokyo's benchmark Nikkei 225 index dipped more than 4 per cent on Wednesday, and other shares in Asia also were mostly lower.

Tokyo's benchmark Nikkei 225 index has fallen more than 4% and other shares in Asia also sank after a retreat on Wall Street spurred by selling of Big Tech shares.

Tokyo’s benchmark Nikkei 225 index dropped by 1,284.93 points, or 2.50 percent on Wednesday and other shares in Asia also sank after a retreat on Wall Street spurred by selling of Big Tech shares. The Nikkei closed at 50,212.27. U.S. futures were slightly lower and oil prices also fell. Shares…