The Nasdaq rose more than 1% on Monday as tech shares rebounded ahead of a big week for AI-related earnings, while European stocks and the euro fell as unrest in France added to concerns about the country's fiscal outlook.
French bonds and Paris-listed stocks also fell as the widespread protests across France underscored the difficulties the government faces in reducing its large deficit.
France's central government asked some local authorities to impose curfews as it faced pressure over security failings on Monday, after looting stemming from the protests.
Tech stocks on Wall Street recovered some ground after a bruising week, with an index of semiconductors up 1.6%. On Friday, the index sank in its eighth straight day of declines, its longest losing streak since 2008.
With results due from Meta on Wednesday, and results from Tesla and chipmakers Lam Research and Texas Instruments also due this week, investors will be watching for signs that massive AI spending ultimately pays off.