The Australian sharemarket has jumped at the open after a monster day for Microsoft’s stock led a powerful rebound on Wall Street, while computer-chip companies regained some of their sharp recent losses.

Most of Wall Street is rising even as stocks of computer chipmakers continue to tumble worldwide. Oil prices, meanwhile, are easing further from the two-month high they hit last…

The Australian sharemarket jumped at the open on Wednesday ahead of the nation’s latest inflation figures, following a strong session on Wall Street despite a new surge in oil…