US stocks: US market ends lower as tech stocks weigh on sentiment

Wall Street ended lower on Friday, with AI chip stocks experiencing a significant downturn while Moderna and other healthcare companies surged. Investors are weighing the long-term potential of AI against concerns about the substantial investment required for data centers. Inflationary pressures, fueled by energy prices and chip costs, remain a concern, impacting companies like Apple and prompting discussions about potential interest rate hikes.