Check out the companies making headlines in premarket trading. Boeing – Shares fell 3% after South Korea ordered an inspection of all B737-800 planes in the wake of the deadly Jeju Air crash over the weekend. The crash killed all but two of the 181 people on board, becoming the deadliest air accident in the country’s history. V2X – The defense company advanced 4.2% after announcing a $170 million contract with the Drug Enforcement Administration. Through the agreement, V2X will continue providing support to the DEA’s aircraft fleet. Rigetti Computing — The quantum computing stock slid 5.1%, reversing course after Friday’s rally of more than 10%. Rigetti is among the quantum stocks that have taken off in 2024, skyrocketing more than 1,600% year to date. KULR Technology Group — Shares of the space technology stock shed 3%, giving up some gains after surging 58% last week. KULR said last week that it bought 217.18 bitcoin worth about $21 million, marking its first purchase since announcing a bitcoin treasury initiative earlier this month. Red Cat Holdings — The drone stock popped 2.7%, regaining some ground after Friday’s slide of more than 8%. Despite recent choppiness, shares have surged more than 380% in the fourth quarter as drone sightings in the U.S. rekindled Wall Street’s interest in the sector. Palantir Technologies — The software stock shed 2%, pulling back slightly from its massive year-to-date rally of nearly 361%. Palantir has been the top-performing stock in the S & P 500 in 2024 and has added almost 18% this month alone, after earlier in December extending an army contract worth up to $619 million. VeriSign — Shares rose more than 2% in the premarket. Last week, Berkshire Hathaway disclosed it purchased more than 140,000 shares of the domain registry service company. MicroStrategy — The stock fell more than 2% after MicroStrategy disclosed the sale of more than 592,000 shares, raising about $209 million in proceeds. The company also disclosed the cash from that sale funded the purchase of more than 2,100 bitcoins. — CNBC’s Lisa Kailai Han, Sean Conlon and Pia Singh contributed reporting