LONDON/SINGAPORE - Shares across the world fell on Wednesday, pummelled by a drop in tech stocks after a record sell-off for US chipmaker Nvidia and as expectations of fading global growth hit riskier assets, pushing oil prices to multi-month lows.

European shares shed 1 percent by 0747 GMT, while other major European markets from London to Frankfurt lost around 0.7 percent. Semiconductor companies were the biggest losers. ASML Holdings dropped 5.3 percent.

The pain was set to continue on Wall Street, where stock futures extended declines. S&P 500 futures eased 0.4 percent and Nasdaq futures shed 0.6 percent.

Wall Street closed sharply lower on Tuesday, with AI darling Nvidia sinking by a record $279 billion as investors checked their enthusiasm for artificial intelligence.

September has historically been a bad month for stocks, though analysts pointed to a confluence of factors behind the rout, including weak US manufacturing data.

"Volatility obviously is picking up," said Jason Teh, chief investment officer at Vertium Asset Management. "We had a first taste of it at the beginning of August...last night we had this macro catalyst (and) the market's worried about further economic slowdown."

Brent crude futures fell more than 1 percent to $72.86 a barrel while US crude was down 1.4 percent at $69.38, both their lowest levels since December. They had fallen nearly 5 percent on Tuesday.

Earlier, the stock benchmark in Tokyo led the slump in Asia, each falling more than 3 percent, while MSCI's broadest index of Asia-Pacific shares outside Japan was last 1.9 percent lower.

Asian tech stocks suffered, with Japanese chip-testing equipment maker Advantest, a supplier to Nvidia, down 7.7 percent. TSMC fell more than 5 percent.

A beneficiary of the fall in stocks, the safe-haven Japanese yen strengthened by as much as 0.4 percent to 144.89 per dollar . It last traded about 0.4 percent higher at 144.90.

The dollar was flat, supported by bids for safety.

Data dump

US economic data due this week includes figures on job openings, jobless claims and the closely watched nonfarm payrolls report out on Friday.

Given the Federal Reserve's labor market focus, Friday's release could determine whether a rate cut expected this month will be regular or super-sized.

"We reckon US growth fears are overplayed and expect a strong payrolls report on Friday," said Alex Loo, FX and macro strategist at TD Securities.

Economists polled by Reuters expect the US economy to have added 160,000 jobs in August, a rebound from July's 114,000 increase.

Ahead of the releases, moves in currencies and US Treasuries were less marked than those seen in equities.

The benchmark 10-year US Treasury yield fell nearly two basis points to 3.8253 percent, while the two-year yield fell more than three bps to 3.8528 percent.