Stocks making the biggest moves premarket: American Airlines, Blackstone, AT&T and more

The companies are making news before the bell.

American Airlines jumped 10.5% in premarket trading after reporting a smaller-than-expected loss and predicting profitability for the current quarter.

United lost an adjusted $4.24 per share for the first quarter, 2 cents more than expected, and the airline's revenue was slightly below forecasts. United said it expects to return to profitability this quarter as travel demand increases.

The private equity firm's shares jumped 4% in the premarket after it reported better-than- expected profit and revenue for the first quarter.

AT&T earned an adjusted 63 cents per share for the first quarter, 4 cents above estimates, and beat on the top line as well. The WarnerMedia unit's results are not included in the numbers, with AT&T benefiting from an increase in wireless revenue. AT&T gained 1.4% in premarket action.

After reporting record quarterly profit and beating Wall Street's top and bottom-line estimates, the company surged 7.4% in premarket trading. Due to shortages of computer chips and other parts, production will be constrained for the remainder of the year, but it expects to increase deliveries.

Xerox reported an adjusted quarterly profit of 12 cents per share, which was below the consensus estimate. Inflation pressures and supply chain issues hurt the office equipment maker.

The stock of the chemical maker added 2.1% in the premarket after beating estimates on both the top and bottom lines.

Sleep Number shares tanked in premarket trading after the company missed on top and bottom line. The mattress company earned 9 cents per share, well short of the consensus estimate of 33 cents, due to supply chain issues.

The company lost more than analysts were expecting, with a loss of $2.89 per share. The online auto seller saw its first quarterly sales decline. Carvana fell in the premarket.

The chipmaker's adjusted quarterly earnings of $7.40 per share fell short of expectations, and its revenue fell short of expectations. As it spent more to deal with disruptions in the supply chain, its expenses increased. The premarket was down 1.3%.

The railroad operator beat estimates with earnings of 39 cents per share, and revenue was higher than expected. The increase in shipping rates was more than offset by fewer shipments handled by CSX. The company rose in premarket trading.