 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. Federal Reserve officials did nothing to tamp down expectations that they'll start cutting interest rates in September. Scott Horsley, Ampere News, Washington.