Check out the companies making headlines in midday trading. Micron Technology , chip stocks — Shares surged nearly 13% after the memory chipmaker issued strong guidance as the rise of AI heightens demand for its products. Other chip stocks rose alongside, with Applied Materials , ASML Holding and Lam Research last up about 4% each. Super Micro Computer — Shares plummeted more than 12% following a report from The Wall Street Journal that the Justice Department has opened a probe into the AI server maker. Southwest Airlines — The airline jumped 11% after it raised its third-quarter revenue forecast and authorized $2.5 billion in share buybacks. The company also announced several changes to its business model as it attempts to fend off activist Elliott Investment Management and convince investors it’s on track to boost profits and increase revenue. Starbucks — The coffee chain rose nearly 2% after Bernstein upgraded shares to outperform , citing confidence in the company’s new CEO . NRG Energy — Shares rose 1.6% after the energy company boosted its full-year guidance. NRG energy now expected adjusted EBITDA to range between $3.53 billion and $3.68 billion. GE Healthcare — Shares lost more than 1% after UBS downgraded the healthcare medical technology company to a sell rating from neutral, citing growth risks stemming from its China business. Jefferies Financial — The investment bank lost more than 2%. The company posted earnings of 75 cents per share for the fiscal third quarter on $1.62 billion in revenue, falling short of FactSet estimates. CarMax — The used car retailer jumped nearly 6% after topping sales estimates for the fiscal second quarter. The company also reported a 5.1% increase in retail used unit sales. Jabil — The manufacturing solutions provider saw shares jump more than 11% after the company reported stronger-than-expected quarterly earnings and revenue. Jabil posted earnings per share of $2.30, beating a FactSet estimate of $2.22 per share. Revenue of $6.96 billion also came in above expectations. New York Community Bank — Shares of the regional lender jumped nearly 8% after Barclays upgraded the stock to overweight from equal weight. New York Community Bank has complete the “heavy lifting” around is restructuring and has a favorable risk-reward outlook going forward, according to Barclays. Bilibili — U.S.-listed shares of the Chinese internet company popped 12.5% after a Goldman Sachs upgrade to buy from neutral. Goldman said the company is starting a profitability growth cycle. Sonos – The home audio company fell 4.3% after a double-downgrade by Morgan Stanley to underweight from overweight. Analyst Erik Woodring thinks the backlash from the company’s app redesign in May will hit the company’s top- and bottom-line metrics more than the market currently is pricing in. Accenture — The professional services stock rose nearly 5% on better-than-expected fiscal fourth quarter results. The company also issued strong guidance and hiked its quarterly dividend. — CNBC’s Jesse Pound, Yun Li, Alex Harring, Pia Singh and Hakyung Kim contributed reporting
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