10 hours after lift off and it's still active...
Started in early December and am 241st
I think that it has a lot to do with wave riding. Let's say you jump on a stock like 787FLY as it's going up today. Tomorrow, you see another stock that's moving an want to jump on that one. Since the 787 probably won't fly in time and you're holding what you feel to be wrong position, you sell 787FLY to free up money to jump on the other stock. Enough people do the same and oh, look, 787FLY starts going down and people start shorting it. Meanwhile other people that have been holding long quickly also reverse their positions. It's self perpetuating.
138 years of Popular Science at your fingertips.
Each issue has been completely reimagined for your iPad. See our amazing new vision for magazines that goes far beyond the printed page
Stay up to date on the latest news of the future of science and technology from your iPhone or Android phone with full articles, images and offline viewing
Featuring every article from the magazine and website, plus links from around the Web. Also see our PopSci DIY feed
Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?