Check out the companies making headlines in midday trading: Intel — The struggling chip stock bounced into year-end, rising close to 1.2% in midday trading. Intel has plunged more than 60% in 2024, making the stock poised to see its worst year on record and be the second-worst performer in the S & P 500 . Nvidia — The artificial intelligence giant and retail investor favorite shed 1.3% as traders took profits as the trading year wraps up. With a rally of more than 170%, Nvidia is poised to be the third-best performer in the S & P 500 for 2024. Biohaven — The biopharmaceutical stock popped nearly 2% after director John Childs disclosed a purchase of 29,000 shares.

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Persons: Sangamo, John Childs, Childs, Nutriband, Mark Strome, — CNBC's Sean Conlon, Yun Li, Pia Singh Organizations: Intel, Nvidia, Sangamo Therapeutics, Pfizer, Zivo Locations: Macao