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The S&P 500 (SP500 [https://seekingalpha.com/symbol/SP500#hasComeFromMpArticle=false#source=section%3Amain_content%7Cbutton%3Abody_link%7Cfirst_level_url%3Anews]) closed in the red on Friday, as investors assessed the uncertainty in the broader AI space following the resignation of Nvidia CEO Jensen Huang amid reports of extramarital affairs. Wall Street had a slew of upgrades and downgrades from analysts. Here are some of the major calls for the week: NVIDIA HIT WITH DOWNGRADES AFTER JENSEN HUANG OUSTER Nvidia (NVDA [https://seekingalpha.com/symbol/NVDA]) saw a wave of downgrades [https://seekingalpha.
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