BERLIN (Reuters) – Daimler Truck on Wednesday slightly raised its full-year earnings forecast after reporting better-than-expected results in the third quarter thanks to a jump in unit sales, higher prices and strong aftersales business. Daimler Truck now expects full-year group revenue between 50 billion – 52 billion euros ($50.40 billion – $52.42 billion), up from a previous forecast of 48 billion – 50 billion. The company, which will present its third-quarter report on Nov. 11, said adjusted earnings before interest and taxes (EBIT) rose 159% in the third quarter to 1.27 billion euros, abov…