Gary Guthart, CEO, Intuitive Surgical

Check out the companies making headlines after the bell

Del Taco Restaurants — Shares of Del Taco Restaurants surged nearly 9% after the Mexican restaurant chain reported better-than-expected quarterly earnings. The company posted an earnings per share of 16 cents in the third quarter, beating analysts' estimate of 10 cents, according to FactSet. Its franchised comparable restaurant sales also gained 6.5% year over year.