Check out the companies making headlines in midday trading: First Solar — The solar stock slipped 8%, on pace for its worst day since July 15, after Jefferies cut its price target on the stock and said it expects First Solar's third-quarter report to disappoint. Tesla — The stock was little changed ahead of the electric vehicle maker's robotaxi event Thursday after the bell. Investors expect Tesla to announce a Cybercab robotaxi prototype alongside advancements in driver assistance features and artificial intelligence capabilities. CVS Health — The pharmacy chain's stock rose 1.8% following an upgrade at Barclays to overweight from equal weight. PayPal — The payments platform stock slipped 2.9% following a Bernstein downgrade to a market perform rating from outperform.

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Persons: Jefferies, Stifel, Piper Sandler, Tesla, Bernstein, Harshita Rawat, Venmo, — CNBC's Lisa Han, Sean Conlon, Sarah Min, Hakyung Kim, Michelle Fox Organizations: Enphase Energy, Dominion Bank, Street Journal, GXO Logistics —, Bloomberg, Logistics, American, JPMorgan, CVS Health, Barclays, CVS, Genomics, PayPal Locations: Toronto, Canadian