Check out the companies making headlines after the bell:
United Airlines ticked up in after-hours trading after the company's second-quarter earnings surpassed Wall Street's expectations and showed profit up more than 50% from a year ago. The airline reported adjusted earnings per share of $4.2, topping the $4.09 per share estimate from analysts surveyed by Refinitiv. The second-quarter revenue was $11.4 billion, close to 6% above what it was a year ago and just above the $11.36 billion forecast by analysts.
Shares of CSX fell more than 6% after the transportation company's second quarter earnings missed estimates. CSX reported earnings per share of $1.08 on revenue of $3.06 billion. Analysts were expecting earnings per share of $1.11 on revenue of $3.14 billion, according to Refinitiv.
Seattle Genetics rose as much as 8% after the biotechnology company released mixed second quarter earnings. The company reported a second-quarter loss of 49 cents per share on revenue of $218.5 million. Analysts had expected a loss per share of 39 cents on revenue of $189.8 million.