 and the tech-heavy Nasdaq tumbled 3.2%. Some high-flying tech stocks, which had been on a roll, took a beating during the week as investors shifted money into other sectors of the economy. NVIDIA, the chip designer that's become an artificial intelligence darling, lost nearly 9% for the week, but is still up 138% since the beginning of the year. On Tuesday, the Commerce Department reported stronger-than-expected retail sales, suggesting U.S. consumers haven't run out of steam just yet.