Warren Buffett's Berkshire Hathaway has significantly reduced its stake in Apple, selling 41.7 million shares over the past two years, marking a 74% decrease. This strategic move was made during the third quarter as the firm shifts its tech exposure towards artificial intelligence and cloud computing by acquiring 17.8 million shares of Alphabet. Apple reported a Q3 revenue of $102 billion, reflecting an 8% increase. Meanwhile, Alphabet's stock has shown remarkable growth, with a 12,180% return since its IPO, and currently holds a market capitalization of $3.7 trillion. This shift highlights Berkshire's evolving investment strategy in the tech sector.