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Stock Market 23 February 2026
U.S. stock markets closed higher on June 18, 2026, with the Nasdaq up 1.91%, S&P 500 up 1.08%, and the Dow gaining 0.14%. Markets will be closed Friday for the Juneteenth holiday. Intel shares surged 10.6% after President Trump announced Apple plans to collaborate with Intel on U.S. chip design and manufacturing, though no commercial details were provided. Kardigan, a biotech company, debuted on Nasdaq at $22, up 37.5% from its IPO price, raising $400 million. Tenon Medical fell 41.9% to $0.35 on unusually high volume, despite broader market gains. Cisco rose 1.88% to $119.54, breaking a four-day losing streak. Rocket Lab slipped 0.7% to $107.24 ahead of its entry into the Nasdaq-100. Wolfspeed jumped 17.91% to $57.41 and filed to register 24.07 million shares for resale by stockholders. Bloom Energy climbed 15.4% to a new high as investors focused on AI power infrastructure, while FuelCell Energy rose 20% on expectations of securing data-center power contracts. SoFi gained 2.8% after CEO Anthony Noto bought shares. Flex rose nearly 3% and will join the S&P 500. American Airlines advanced 3.7% as oil prices fell. Take-Two gained 4.93% after announcing Grand Theft Auto VI preorders. Nvidia rose 2.8% to a $5.1 trillion valuation. SpaceX fell 3.5% but remains well above its IPO price. AT&T declined for a fourth session, while Marvell Technology jumped 7.27% on news of AWS chip talks and a price target hike. Transocean dropped 5.9% despite securing new contracts, and Lockheed Martin fell 4.1% amid sector weakness.