Stocks making the biggest premarket moves: CrowdStrike, American Express, SLB, Travelers and more

Check out the companies making the biggest moves in premarket trading: CrowdStrike — Shares plunged nearly 13%, paring some of its earlier losses, after an update from the cybersecurity company caused a major IT outage impacting businesses around the globe. Microsoft — The tech giant slipped 1.6% after being hit with widespread tech outages from the CrowdStrike update. American Express — Shares fell nearly 2% after the financial company reported second-quarter revenue of $16.33 billion, below the $16.59 billion expected from analysts polled by LSEG. However, American Express’ adjusted earnings per share were $3.49, above the $3.25 consensus estimate. The company also upped its EPS guidance and reaffirmed its revenue forecast for the full year. Comerica — The bank shed 9% following the release of its second-quarter financial results. Comerica’s net interest income came in at $533 million, above the $530.5 million expected from analysts polled by FactSet. However, it was lower than a year ago. CEO Curtis Farmer said high rates are pressuring its deposits. The bank also saw weaker loan volume. SLB — The oilfield services giant added 1.4% after posting second-quarter adjusted earnings per share of 85 cents, above the 83 cents expected from analysts polled by LSEG. Revenue also beat, coming in at $9.14 billion versus the $9.08 consensus estimate. Arm Holdings — The chipmaker gained nearly 3% on the back of an upgrade at Morgan Stanley to overweight from equal weight. The bank said Arm’s products are fundamental to the successful emergence of edge artificial intelligence. Shares have already doubled this year. Intuitive Surgical — Shares popped 5.7% following stronger-than-expected second-quarter results after the bell on Thursday. Intuitive Surgical earned $1.78 per share after adjustments on $2.01 billion of revenue. Analysts surveyed by LSEG were expecting $1.54 in earnings per share on $1.97 billion of revenue. Travelers — Shares edged 2% higher after the insurance company reported mixed second-quarter results. Earnings per share came in at $2.51 per share, excluding items, topping the $1.98 LSEG consensus estimate. Revenue was $11.12 billion, below the $11.34 expected from analysts. Plug Power — The stock tumbled 14% after the green energy company said late Thursday it plans to sell $200 million of stock. Shares are on track for a fourth-straight losing year and now trade below $3 per share.