Nvidia shares hit all-time high as chipmaker dominates AI market

Rising bets that chip designer's revenue target will surpass Wall Street estimates lift the stock about 19% from two-month low

Nvidia shares hit an all-time high on Tuesday in a buildup in expectations over the quarterly results of the chip designer that has been the biggest beneficiary of a boom in artificial intelligence.

Rising bets that Nvidia's revenue target will once again surpass Wall Street estimates have lifted the stock about 19% from a two-month low hit last week.