Here’s a look at the companies making headlines in after-hours trading: Domino’s Pizza and Ulta Beauty — after Berkshire Hathaway announced a new stake in the pizza chain in a regulatory filing , the stock price soared about 8%. The company, led by Warren Buffett, bought more than 1.2 million shares worth about $550 million as of the end of September. Elsewhere, Ulta fell about 4% as the group nearly lost its hold on the beauty retailer. Applied Materials — Shares of Applied Materials fell 5% after the semiconductor equipment maker reported a weak revenue outlook for the current quarter. Applied Materials said it expected fiscal first-quarter revenue of $7.15 billion, below the $7.224 billion expected by analysts surveyed by LSEG. That overshadowed a better-than-expected fiscal fourth quarter and strong guidance for adjusted earnings per share. Despegar.com — The U.S.-listed shares of the Argentina-based online travel company soared 14% after reporting a stronger-than-expected earnings report. Despegar.com reported adjusted earnings of 34 cents per share on revenue of $193.9 million, while analysts polled by FactSet expected earnings of 17 cents per share on revenue of $189.9 million. Palantir Technologies — Shares of Palantir Technologies rose nearly 4% after the defense technology company announced it would move stock trading from the New York Stock Exchange to the Nasdaq. Palantir will continue to trade under the same ticker symbol and expects to meet the requirements for listing on the Nasdaq 100 Index. Vaccine Makers – Several biotech stocks continued to fall in after-hours trading after prominent vaccine skeptic Robert F. Kennedy Jr. was announced as President-elect Donald Trump’s nominee for secretary of Health and Human Services. Moderna and Pfizer were among the companies that posted losses during the extended trading period.