U.S. markets declined this week due to Treasury yield spikes and retail earnings, with the Nasdaq falling 2.05%. Key movers included Moderna and Merck surging on cancer therapy trial success, while Walmart missed sales expectations. Super Micro Computer cleared management in an Nvidia smuggling probe. Crypto-linked stocks rose as Bitcoin hit $77,000, benefiting from regulatory optimism and short squeezes. Additionally, Marvell announced an AI deal with Google, L3Harris replaced its CEO, and SK Hynix initiated a massive share buyback program.