FRANKFURT—Shares in Daimler Truck climbed on their Frankfurt market debut on Friday following the commercial vehicle maker’s long-awaited spin-off from Daimler AG. The split was announced in February and pitched by the two companies as an opportunity to unlock value in both Daimler Truck and the owner of Mercedes-Benz passenger cars and vans. At 1023 GMT, Daimler Truck shares were trading at 29.88 euros, above their debut price of 28 euros. Daimler shares were up 3.7 percent at 74.83 euros. “We are certain we will create value,” Daimler CEO Ola Kaellenius said, speaking to an emptier-than-usual hall in Frankfurt as pandemic restrictions limited the number of attendees. “Trucks and cars have different requirements. We are thus unleashing the full potential of both companies,” he said. Daimler Truck is targeting double-digit profit margins across the business in 2025, up from an expected 6–8 percent in 2021, with a particular focus on …