The Motley Fool explains why Virgin Galactic’s stock has risen this week. The countdown to Sir Richard Branson’s space mission has begun, and investors are getting pumped. As of 2 p.m. EDT Thursday, Virgin Galactic Holdings (NYSE: SPCE) stock was up over 14% for the week, extending a tumultuous few weeks for the space tourism sector. If all goes according to plan, Branson will fly onboard a Virgin Galactic spacecraft for the first time on July 11, defeating Jeff Bezos in the billionaire space race and ushering in the era of space tourism./nRead More