Check out the companies making the biggest moves in premarket trading: ServiceNow — The software stock tumbled 11% despite the company’s better-than-expected fourth-quarter results. Morgan Stanley said ServiceNow’s report was “Good, but not good enough” to convince skeptical investors that the company’s business would continue to see robust growth in the face of competition from artificial intelligence. Software stocks — In the wake of ServiceNow’s results, other software stocks plunged deeper and entered a bear market. Atlassian shares fell 12%, Datadog was down about 8%, Salesforce tumbled 7%, while Workday slipped 9%. All the stocks are reacting to worries that AI is poised to disrupt their business models. United Rentals — The rental company fell 14% after it posted disappointing fourth-quarter results as margins on rental revenue came under pressure. The company earned $11.09 per share, excluding items, on revenue of $4.21 billion. Analysts surveyed by FactSet expected a profit of $11.79 per share and revenue of $4.24 billion. Tesla — The stock fell more than 2% after the company posted its first-ever decline in annual revenue and detailed plans to end production of its Model S and X cars as it shifts its efforts to building Optimus humanoid robots and developing dr …
