European markets opened higher Wednesday as traders gear up for a quarterly earnings report from chipmaker Nvidia .

The Nasdaq -listed stock has become a bellwether for the global technology sector, particularly regarding the progress of the artificial intelligence boom, as its major corporate customers include Microsoft , Google , Meta and Amazon .

Its value has soared in recent years, giving it the biggest weighting in the S&P 500 and an outsized influence on U.S. market performance. The company will report after U.S. markets close on Wednesday.

Nvidia faces Wall Street's high expectations two years into AI boom

France's CAC 40 index rebounded 0.4% following a 1.6% decline on Tuesday. Investors were spook

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