Check out the companies making headlines in after-hours trading. Domino’s Pizza , Ulta Beauty — Shares surged about 8% after Berkshire Hathaway announced a new stake in the pizza chain in a regulatory filling. The Warren Buffett-led firm bought more than 1.2 million shares, making the stake worth around $550 million at the end of September. Elsewhere, Ulta slid roughly 4% as the conglomerate nearly dissolved its position in the beauty retailer. Applied Materials — The semiconductor equipment manufacturer slid 5% after offering a weak revenue outlook for the current quarter. Applied Materials said to anticipate $7.15 billion in the first fiscal quarter, under the estimate of $7.224 billion from analysts polled by LSEG. That overshadowed a better-than-expected fourth fiscal quarter and strong guidance for adjusted earnings per share. Despegar.com — U.S.-listed shares of the Argentina-based online travel company surged 14% following a stronger-than-anticipated earnings report. Despegar.com posted adjusted earnings of 34 cents per share on $193.9 million in revenue, while analysts surveyed by FactSet penciled in 17 cents and $189.9 million, respectively. Palantir Technologies — The defense tech company added nearly 4% after announcing it will transfer its stock exchange listing from the New York Stock Exchange to the Nasdaq. Palantir will continue trading under the same ticker and expects to meet requirements to be listed in the Nasdaq 100 . Vaccine makers — Multiple biotechnology stocks continued sliding in after hour-trading after Robert F. Kennedy Jr., a prominent vaccine skeptic, was announced as President-elect Donald Trump’s nominee for secretary of the Department of Health and Human Services. Moderna and Pfizer were among the names in the red during extended trading.