Any sources for this?
It's pretty much free money.
Call it what you want, but it's been a winner for the past 4 years for us.
Hedge Funds, Bloggers and the Origin of Apple Rumors http://tech.fortune.cnn.com/2011/03/30/about-that-iphone-5-d...
Samsung employee caught leaking information to hedge fund manager before iPad launch http://www.bloomberg.com/news/2011-09-14/ex-samsung-worker-s...