Check out the companies making headlines in midday trading: Southwest Airlines — The stock rose 9% after activist hedge fund Elliott Management amassed a $1.9 billion stake in Southwest Airlines. GameStop — The meme stock slipped nearly 15% in volatile trading after a roller-coaster week. Advanced Micro Devices — The chipmaker fell 3% after Morgan Stanley downgraded shares to equal weight from overweight, saying investors' expectations look elevated. ReNew Energy Global — Shares popped more than 7% after Morgan Stanley upped its price target, saying the narrative for the U.K.-based company remains strong. DraftKings — The sports entertainment stock gained 2% after Morgan Stanley renamed the company as a top pick.

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Persons: Bob Jordan, Gary Kelly, Keith Gill, Huntington Bancshares, Huntington, Morgan Stanley, GoDaddy —, Dow, Robert Half, Jefferies, DraftKings, Yun Li, Alex Harring, Michelle Fox, Sarah Min, Pia Singh, Sean Conlon Organizations: Southwest Airlines, Management, Southwest, GameStop, KKR, CrowdStrike, GoDaddy — KKR, Dow Jones, Comerica, Apple, Energy, Jefferies Locations: 2H24, Illumina, Illinois