Nokia's stock surged after its Q4 earnings report.Shares of wireless industry veteran Nokia (NOK 6.19%) had a great day on Thursday. Following a robust earnings release early in the morning, the Finnish company's stock jumped as much as 9.5%. It had cooled off somewhat to a 7.3% gain by 1 p.m. ET.A mixed bag with a positive outlookThe average analyst expected fourth-quarter earnings near 0.14 euros per diluted share (approximately $0.15) on revenue in the neighborhood of 6.2 billion euros (around $6.46 bill ...