Stocks making the biggest moves midday: AeroVironment, Nvidia, AES, Coherent, Norwegian Cruise Line & more

Here are some of the stocks making the biggest moves in midday trading. AeroVironment — The drone company reversed its premarket gains and was last down roughly 20%. Raymond James slashed its rating on the stock to underperform from strong buy. The firm pointed to AeroVironment’s loss of exclusivity on a $1.4 billion contract with the U.S. Space Force via its Satellite Communications Augmentation Resource program. Strategy , Coinbase — Shares of both companies rose alongside a jump in bitcoin prices. Strategy, a bitcoin treasury company, gained about 6%. Coinbase, the crypto trading platform, saw shares pop 4%. The flagship crypto itself was last up more than 6%, briefly surpassing the $70,000 threshold. Palantir Technologies — The data collection and analysis platform surged 6%, the most of any stock in the S & P 500 . U.S. government revenue accounted for 41% of Palantir’s sales in the fourth quarter and stands to increase as a result of stepped-up defense spending. U.S. government revenue grew 66% year-over-year in Q4, and 17% quarter-over-quarter, to $570 million. Norwegian Cruise Line — The cruise line operator fell 10% on weaker-than-expected earnings guidance for the full year. Norwegian Cruise expects earnings per share to come in around $2.38, excluding certain items for 2026. That’s well below the FactSet estimate of $2.57 per share. Coherent , Lumentum – Shares of the optical technology companies jumped after Nvidia announced a $2 billion investment in each, aimed at driving research and development in the buildout of artificial intelligence data centers. Coherent jumped nearly 14%, while Lumentum was last up about 10%. Nvidia shares gained more than 3%. Defense stocks 一 The group rose after a joint U.S.-Israeli attack on Iran over the weekend that was met with retaliation by the oil producing giant. Lockheed Martin shares also gained about 2%, while Northrop Grumman was up 3.5%. Oil stocks 一 Several oil stocks surged following U.S. and Israeli strikes on Iran on fears the conflict could disrupt global crude production and transport. Exxon Mobil and Chevron shares gained about 1%, while ConocoPhillips was also up more than 2%. The cost of oil rose, with Brent crude prices hitting a new 52-week high of more than $78 on Monday. Travel stocks — The group slid as the conflict between the U.S. and Iran sent crude prices surging and disrupted global travel. Booking Holdings shed 2%, respectively. Delta Air Lines slid more than 2%, while American Airlines and United dropped around 4% and nearly 3%, respectively. Berkshire Hathaway 一 Class B shares fell almost 5% after the conglomerate posted an operating earnings decline of nearly 30% for the fourth quarter, due largely to weakness in insurance. Overall earnings, which include gains or losses from the conglomerate’s stock market investments, also fell slightly year on year. AES 一 The energy stock plunged 17%. A consortium of investors led by BlackRock’s Global Infrastructure Partners and EQT said Monday it would acquire AES for nearly $11 billion . Under the agreement, shareholders will get $15 per share in cash. The deal is expected to close in late 2026 or early 2027. Elevance Health 一 Shares shed more than 8% after the insurer said in a filing that the Centers for Medicare & Medicaid Services plans to impose sanctions on its operations, suspending enrollment of Medicare beneficiaries into its Medicare Advantage-Prescription Drug plans and temporarily halting certain communication activities to its Medicare beneficiaries. — CNBC’s Fred Imbert, Scott Schnipper, Nick Wells and Darla Mercado contributed reporting.