US stock futures were pointing to a bounceback for Wall Street on Tuesday, a day after the Dow Jones Industrial Average plummeted more than 1,000 points and theNasdaq Composite sank 3.4% on worries over aslowing U.S. economy.

These stocks were poised to make moves Tuesday:

Palantir - Palantir Technologies jumped 8.4% after second-quarter earnings and revenue beat analysts ’ estimates, driven by what the software company ’ s CEO Alex Karp said was an "unrelenting wave of demand from customers for artificial-intelligence systems that go beyond the merely performative and academic." Palantir also issued strong revenue guidance for the third quarter.

Nvidia - Nvidia rose 3% in premarket trading after the chip maker, the favored choice for training artificial-intelligence systems, ended Monday ’ s session down 6.4% following a report that said the company ’ s new chip could be delayed. Nvidia has declined 14% over a three-day stretch.

Alphabet, Apple - Alphabet was up 1% after a U.S. federal judge said the company ’ s Google division engaged in illegal practices to maintain a monopoly in two markets: general search services and general text advertising by using exclusive distribution agreements."Google is a monopolist, and it has acted as one to maintain its monopoly," Judge Amit P. Mehta of U.S. District Court for the District of Columbia wrote in a court ruling.

The ruling also could impact Apple, which has received payments from Alphabet for making Google the default search engine on iPhones. Apple shares were up 0.6% in premarket trading after slumping 4.8% Monday following a disclosure from Warren Buffett ’ s Berkshire Hathaway that it slashed its stake in the tech giant. It was Apple ’ s worst one-day percentage decline since it fell 4.92% on Sept. 29, 2022.

Lucid - Lucid Group reported second-quarter sales that beat Wall Street estimates and said it received a cash infusion of $1.5 billion from Saudi Arabia ’ s Public Investment Fund, the electric-vehicle maker ’ s largest shareholder. The stock was rising 13% in premarket trading.

Lumen Technologies - Lumen Technologies soared 45.6% after the telecommunications company said it secured $5 billion in new business "driven by major demand for connectivity fueled" by artificial intelligence and was "in active discussions with customers to secure another $7 billion in sales opportunities to meet the increased customer demand."  

Chegg - Chegg, the education-technology company, declined 19.1% after swinging to a loss in the second quarter following an impairment charge and as subscribers fell 9% to 4.4 million. On an adjusted basis, earnings in the quarter were 24 cents a share, 1 cent better than analysts ’ estimates.

Bloom Energy - Bloom Energy rose 3% after announcing it is now offering the Bloom Energy Server power solution with ~60% electrical efficiency, the highest electrical efficiency demonstrated on its solid oxide fuel cell platform when using 100% hydrogen.

Caterpillar - Caterpillar rose 0.7% in premarket trading. Analysts expect the manufacturer   of construction and mining equipment to report second-quarter earnings of $5.54 a share on sales of $16.8 billion. The report is scheduled for before the stock market opens Tuesday.