LONDON — Chinese regulators say a preliminary investigation found Nvidia violated anti-monopoly laws. The State Administration for Market Regulation also said Monday it would carry out further investigation into Nvidia's acquisition of Mellanox. Nvidia said it complies with the law. The investigation adds pressure on the U.S. as trade talks between representatives from Washington and Beijing meet for trade talks this week in Spain. The announcement comes after China said over the weekend it has opened an anti-dumping investigation into the U.S. semiconductor sector.

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