Santoli's market wrap-up: Market holds on to Nvidia hope with little concern shown for Fed independence

(These are the market notes on today's action by Mike Santoli, CNBC's Senior Markets Commentator. See today's video update from Mike above.) -Heading into Nvidia's report, the market leans closer to hope than fear, the majority of stocks green, the big-cap indexes holding at record highs and little concern being registered about potential economic and market impacts of threats to Fed independence. -This likely says less about any collective foresight into the particulars of Nvidia's quarter and outlook than about investor comfort with the benign rotation dynamics of this market, which for now are riding a confident consensus that the economy is OK, earnings are rising, the broad AI theme has room to run and the Fed appears somewhat likely to trim borrowing rates into all this. -At more tha