I wouldn't jump to the conclusion it had anything to do with a so-called shark pattern. Just a coincidence as the market is quite thin just before the close: http://www.forexlive.com/blog/2014/08/29/huge-cable-bid-hits-thin-market-pound-jumps/
LOL your UID--actually all TV users' IDs should be: Meaningless Trading. No volatility means only 20 to 40 pips in 1 day, if we are lucky! This chart of GU makes my point beautifully. Hope next week will see the bounce finally.