Five Things That Could Move Your Portfolio This Week
From a 19-year 10-year yield high to Costco's dividend signal, the week of September 21 is packed with market-moving events.
September 19, 2026
Claude Now Writes a Quarter of the Code That Makes Claude Smarter. Nvidia Calls That Progress, Not Peril.
Anthropic says Claude led 26% of its model R&D in August, and it puts the AI slowdown debate in Nvidia’s…