But fears on Wall Street persist, investment analysts said, despite Mr Huang's reassurance and blockbuster results from the chip-maker, which is seen as a bellwether for the AI boom. Those fears have picked up this month. Speaking to the BBC this month, Alphabet chief executive Sundar Pichai warned of some "irrationality" in the current AI boom.

When it comes to following momentum strategies in the stock market, all are based on the same basic premise: Stocks that have recently performed the best are likely to continue performing well for a while longer. The difference between the various strategies boils down to how to put that premise into practice.

Since April’s low, stock market pullbacks like we’re witnessing in the S&P 500 and Nasdaq Composite, which are down about 3.4% and 4.4%, respectively, over the past five trading days, have led risk-tolerant investors to ‘buy the dip.’

Tech stocks are falling for a fourth consecutive session as investors brace for Nvidia's earnings report. Bitcoin dropped and bond yields tumbled.

Tech stocks were getting snapped up early Thursday by investors after Nvidia Corp's earnings gave the AI trade its groove back. Nvidia shares were up more than 4% in early trade, while the S&P 500's tech sector was 2.

Asia markets slumped Friday after SoftBank tumbled more than 10% and stronger-than-expected U.S. hiring cut the odds of a December Federal Reserve rate cut.

Hardware firms have been the big AI winners, but Goldman flags a handful of stocks that could be the top beneficiaries of AI-fueled productivity gains.

Stocks closed markedly lower on Tuesday as fears of a bubble in artificial intelligence technology hammered markets for a fourth consecutive trading day.

Asian shares extended a global rout on Friday as the much anticipated U.S. jobs data failed to provide clarity on interest rates, with investors returning to dumping riskier assets even after Nvidia's earnings dazzled.

Before the trading day starts we bring you a digest of the key news and events that are likely to move markets. Today we look at:

An early stock-market rally on Thursday has given way to broad-based selling as doubts about the artificial-intelligence trade re-emerged following the latest batch of earnings from Nvidia.