Here’s a look at the companies making headlines after the bell: Palantir Technologies — Shares of Palantir Technologies rose more than 15% after the company beat second-quarter results and raised its annual forecast as demand for its artificial intelligence software shows no signs of abating. . Palantir reported adjusted earnings of 9 cents per share on revenue of $678 million. Lucid Group — Shares soared 6% after second-quarter results beat revenue expectations. The electric vehicle company posted revenue of $200.6 million, while analysts polled by LSEG forecast revenue of $192 million. Executives also reiterated previous guidance of approximately 9,000 vehicle production in 2024. CSX earned 49 cents per share in the second quarter, while analysts polled by LSEG expected 48 cents. Revenue of $3.7 billion was in line with Street’s expectations. Semiconductor stocks – Some semiconductor and artificial intelligence stocks that fell during the session on Monday rebounded in after-hours trading, with Nvidia and Advanced Micro Computer rising more than 1% each. Broadcom, Arm Holdings and Intel also gained about 1% each. Spirit AeroSystems — Shares of the Boeing fuselage supplier fell nearly 2%. Spirit AeroSystems reported a loss of $2.73 per share on revenue of $1.49 billion, beating estimates. Analysts polled by LSEG had expected the company to lose 90 cents on revenue of $1.59 billion. Hims & Hers Health — Shares of Hims & Hers Health fell 3% even though the digital pharma company beat Wall Street’s second-quarter results and raised its full-year revenue guidance. Avis Budget Group — Shares fell 3% on weak second-quarter results. The car rental company posted revenue of $3.05 billion, while analysts polled by LSEG expected revenue of $3.14 billion. Earnings were also lower than expected. ZoomInfo Technologies — Shares of ZoomInfo fell 13% after the software company reported disappointing second-quarter results and poor third-quarter guidance. The company, best known for its contacts and business information search engine products, reported adjusted earnings of 17 cents per share, below the 23 cents per share expected by analysts polled by LSEG. Revenue was $291.5 million, missing the consensus estimate of $307.7 million. Simon Property Group — Shares of the shopping center owner fell about 1%. Simon Properties’ second-quarter revenue beat expectations, but profits were in line. The company also raised its dividend by 15 cents. —CNBC’s Brian Evans and Sarah Min contributed reporting