Check out the companies making headlines before the bell: MicroStrategy — Shares of the bitcoin development company jumped more than 5%, extending the roughly 10% gain seen in the previous session, after the price of the cryptocurrency continued to climb. The stock has seen massive gains this year, surging more than 515%. Chip equipment stocks — Shares of chip equipment stocks moved higher on a report that the Biden administration is considering more restrictions on sales of semiconductor equipment and artificial intelligence memory chips to China that may be less strict than expected. Shares of U.S.-based companies Applied Materials , Lam Research and KLA Corporation rose between 1.3% and 2.2%, while Dutch equipment maker ASML gained 1.5% following the Bloomberg report, which cited unnamed people familiar with the matter. Retail stocks — Key retailers were marginally higher as Black Friday shopping got underway . Walmart , the country’s largest retailer, rose more than 0.2%, while shares of Target and Costco , advanced 0.6% and 0.3%, respectively. Robinhood — The brokerage firm climbed 3% premarket, continuing a postelection rally, after the U.S. Securities and Exchange Commission approved the creation of a 24-hour stock exchange by startup 24 Exchange, paving the way for round-the-clock trading. Shares of Robinhood have jumped 58% in November to an all-time high as the company, which offers crypto trading, is seen as a big beneficiary of the incoming Trump administration’s deregulation plans. Zeta Global Holdings — The marketing software company rose 5% after its CEO said Wednesday on CNBC’s “Closing Bell” that a recent short seller’s report was “erroneous.” The stock is down 27% in November as of Wednesday’s close. — CNBC’s Jesse Pound and Yun Li contributed reporting.