US stock market today: AI stocks sink again, pulling Wall Street towards weekly loss

Wall Street experienced a downturn Friday, primarily driven by a significant selloff in AI-linked stocks. This overshadowed gains in other sectors, pushing the S&P 500 towards its second weekly dip in three months. Investor concerns about earnings growth justifying AI stock valuations intensified, impacting global markets. Major tech players like Micron and Apple faced pressure, while oil prices also retreated amid easing geopolitical tensions.