Nvidia posts record profit and revenue amid AI chip boom

Chip giant announces $80bn stock buyback scheme and dividend hike in boon to shareholders.

Nvidia has announced record quarterly profit and revenue amid explosive demand for its advanced AI chips.

Th US tech behemoth said on Wednesday that profit soared to $58.3bn for the February-April period, up 37 percent from the previous quarter and more than 200 percent year-on-ye...