Here are the stocks making headlines in midday trading. Oracle — The software giant dropped more than 3% after The Wall Street Journal, citing people familiar, reported OpenAI recently missed its own targets for new users and revenue. The news raised questions over whether the pace of artificial intelligence spending across the sector is sustainable. Oracle has a $300 billion, five-year partnership to provide computing power to OpenAI. A number of other chip stocks declined on the news, including Nvidia and Advanced Micro Devices that slid more than 3% and 4%, respectively. Arm Holdings fell more than 8%. Data center and AI stocks — Companies tied to AI infrastructure and data centers also tumbled after news of OpenAI missing internal growth targets raised fears around the sustainability of the trade. Digital infrastructure company Vertiv lost more than 6%, while photonics plays Coherent and Lumentum dropped 6% and 7%, respectively. Specialty glass and AI fiber manufacturer Corning shed more than 8%. Centene – Shares of the health insurer surged 12% after Centene raised its guidance for the full year. Centene sees adjusted earnings per share coming in at more than $3.40 per share, up from its earlier call for more than $3 a share. The new forecast tops the FactSet consensus call for $3.02 a share. Erasca — Shares cratered nearly 50% after Erasca disclosed a patient death in an early-stage trial of its ERAS-0015 cancer drug. The stock sold off even as Wall Street analysts largely saw the case as isolated, Reuters reported. Alexandria Real Estate Equities — Shares of the real estate investment trust dropped more than 9% after Alexandria said it expects same-property net operating losses of 10.5% to 8.5% for 2026. These are wider losses than the company's earlier guidance for a loss of 9.5% to 7.5%. First quarter funds from operations came in at $1.73 per share, in line with the FactSet consensus. General Motors — Shares fell 1% on the day. The automaker trimmed its net income attributable to stockholders forecast for the year to a range of $9.9 billion to $11.4 billion, due to special charges. That's down from $10.3 billion to $11.7 billion. Separately, GM blew through first-quarter earnings expectations , with adjusted earnings of $3.70 per share, above the $2.62 expected by analysts polled by LSEG. Coca-Cola — Shares of the beverage company gained 6% after Coca-Cola reported quarterly earnings and revenue that topped analysts' expectations, with earnings of 86 cents per share, on an adjusted basis, on revenue of $12.47 billion adjusted. Analysts polled by LSEG anticipated earnings of 81 cents per share on revenue of $12.24 billion. United Parcel Service — The shipping logistics company fell 4% even after posting first-quarter results that beat on the top and bottom lines. UPS posted adjusted earnings per share of $1.07, more than the $1.02 expected, according to LSEG. Revenue of $21.2 billion exceeded the anticipated $20.99 billion. Spotify Technology — The music streaming platform fell 13% after it reported weaker-than-expected operating income guidance for the second quarter. Spotify also delivered revenue in-line with expectations for the first quarter, according to analysts polled by FactSet. JetBlue Airways — The airline stock advanced 3% after the company announced steps to manage higher fuel costs. JetBlue said it expects 30% to 40% fuel recapture in the second quarter. Separately, the airline posted a greater-than-expected first-quarter loss of 87 cents per share, excluding items, more than the expected loss of 73 cents per share, according to FactSet consensus estimates. Revenue of $2.24 billion came in line with expectations. Bed Bath & Beyond — Shares tumbled 4% after the home goods retailer posted a first-quarter adjusted loss of 25 cents per share. The result was slightly narrower than the 28-cent loss per share expected. Rambus — The chip stock plunged 23%. Rambus reported a first-quarter operating margin of 42%, on an adjusted basis, which was lower than the 46% reported in the year-ago period. Adjusted earnings came in at 63 cents per share, greater than the 59 cents a share a year earlier. Sanmina — Shares of the electronics manufacturing solutions company advanced more than 13% after Sanmina issued a third-quarter adjusted earnings outlook in the range of $2.55 to $2.85 per share, more than the FactSet consensus estimate of $2.53 per share. The company's board also authorized a buyback program of up to $600 million. Cadence Design Systems — Shares dipped nearly 5% after Cadence lowered its full-year adjusted earnings guidance to between $7.85 and $7.95 per share, compared to prior forecasts of between $8.05 and $8.15 per share. Separately, first-quarter adjusted earnings of $1.96 per share and revenue of $1.47 billion beat the LSEG consensus call for $1.90 per share in earnings and $1.45 billion in revenue. Nucor — The steel manufacturer gained more than 4% after posting first-quarter earnings of $3.23 per share, more than the $2.82 per share expected by analysts polled by LSEG. Nucor's revenue of $9.50 billion also beat the expected $8.88 billion. — CNBC's Davis Giangiulio, Lisa Kailai Han, Nick Wells and Darla Mercado contributed reporting. Markets shift and headlines fade, but the core principles of building long-term wealth remain constant. Join us for our third CNBC Pro LIVE, where investors of all backgrounds - from financial professionals to everyday individuals - come together to cut through the noise and gain actionable strategies for smarter, more disciplined investing. No matter where you're starting from, you'll leave with clearer thinking, stronger strategies. 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