Rumors of Yahoo's Sale Of It's Internet Arm Sends It's Stocks Soaring

Ah, yes! I'd never thought of that.

Just reading around this a little more I've discovered that the same thing can apply to the Asian markets as well. Some people try and triangulate between the highs and lows of 3 or more major stock exchanges to skim off a little profit. Funny how this is still a thing in a so-called "24hr society". Some traders must never sleep!!!