Entering the final trading week of February, Carl Quintanilla, Jim Cramer and David Faber explored what's at stake for the markets, especially after Friday's Supreme Court ruling that struck down many of President Trump's reciprocal tariffs — and the president responding with plans to raise global tariffs by 15%. Shares of Novo Nordisk tumbled: Trial results show its next-generation obesity treatment was less effective than the Eli Lilly drug marketed as Zepbound and Mounjaro. Also in focus: The winter storm blasting the Northeast results in more than 10,000 flight cancellations, Alphabet upgraded, software stocks downgraded, AI roundup, Netflix-Warner latest from Ted Sarandos to Susan Rice and Trump.

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