The tech-heavy Nasdaq Composite index had its worst week since April, which was sparked by the revelation of a well-known hedge fund manager's bearish bets on popular AI stocks Nvidia and Palantir.

An investor famous for betting against the housing market before it collapsed now has his sights on companies at the forefront of the AI boom.

Here are some of the stocks making notable moves in Friday's premarket action: Expedia stock is up 22% after [the travel group lifted its revenue guidance for the holiday quarter](

While Palantir is enjoying huge success, another artificial intelligence (AI) company is expanding its influence over the industry.

Of all the almost 5,000 Isa millionaires, just six per cent built their £1million pot using cash Isas in combination with stocks and shares Isas. There were 290 Isa millionaires who held Isas worth £1million through a combination of holding cash Isas and stocks and shares Isas.

Here are some of the stocks making notable moves in Tuesday's premarket action: Palantir Technologies shares are slipping more than 7% after the software group [posted its best ever results](

Swatch Group will be removed from the benchmark Swiss Leader Index (SLI) next month, stock exchange operator SIX said, after a decline in the watchmaker's market capitalization and lower trading volumes in its shares.

Ray Dalio’s Bridgewater Associates is a hedge fund with $136.5 billion in assets. Dalio is the founder of one of the largest hedge funds, and it has stood the test of time. The hedge fund makes smart moves and invests in stocks and exchange-traded funds (ETFs) that show high growth potential.

A Stocks and Shares ISA account shields dividends from the taxman, allowing portfolio returns to compound at a far higher rate. The post How much do you need in a Stocks and Shares ISA to target £766 a week in passive income?

Canada's main stock index reversed course to trade higher on Tuesday, powered by gains in energy shares, while rising coronavirus cases around the world kept sentiment in check.

Ivy League school Brown University's decision to buy shares in StubHub merits attention for several reasons. The stock is one of the university's eight holdings, meaning it doesn't invest in many stocks, yet it picked StubHub to add to its very select investments.