Sprint released their Q4 2008 results on Thursday. It wasn’t pretty. Yet their stock soared nearly 20%. Why? Sprint lost 1.3 million net wireless customers in the quarter. Overall, in 2008, Sprint lost 4 million customers. At the same time, in Q4 2008, Sprint had a net loss of $1.62 billion, or $0.57 a share, on revenue of $8.43 billion. Yet the stock rose $0.54 a share, 19.93%. Once again, why? The Palm Pre, and a rumor, that’s why. An anonymous source told CNBC that Sprint has exclusivity on the Palm Pre until