Check out the companies making headlines in extended trading. CSX — The rail transport and real estate stock ticked up about 1% after CSX beat Wall Street estimates on the top and bottom lines in the first quarter. The railway company posted earnings of 46 cents per share on revenue of $3.68 billion, while analysts polled by LSEG anticipated earnings of 45 cents a share and revenue of $3.67 billion. CSX also reaffirmed its 2024 full-year guidance for revenue growth and volume. Las Vegas Sands — Shares of the casino operator ticked down 2% after Las Vegas Sands narrowly beat revenue expectations for the first quarter. The company posted adjusted earnings of 75 cents per share on revenue of $2.96 billion, while analysts polled by LSEG expected earnings of 62 cents a share on revenue of $2.94 billion. Alcoa — Shares climbed 2.7% after the aluminum producer’s first-quarter revenue surpassed analysts’ forecasts. Alcoa reported $2.6 billion in revenue, while analysts polled by LSEG called for $2.56 billion. The company posted a wider-than-anticipated loss of 81 cents per share, versus analysts’ estimates for a loss of 55 cents per share. Equifax — The consumer credit reporting firm slipped 7% after its second-quarter guidance missed Wall Street estimates. Equifax expects earnings per share of $1.65 to $1.75 in the second quarter, while analysts polled by FactSet expected $1.87 per share. Equifax’s revenue guidance also came in below expectations for the second quarter.