Marvell Technology's stock has increased in premarket trading due to its upcoming inclusion in the S&P 500 index. This change is set to occur on June 22, as announced by S&P Global. The company's addition to the index has led to a rise in its stock price, with an increase of almost 9% observed in premarket trading. This development reflects a notable change for Marvell Technology, an AI chipmaker, as it prepares to join the prominent S&P 500 index.

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