$BlackBerry (BB.US)$$BlackBerry (BB.US)$ major support at th...

$BlackBerry(BB.US)$ $BlackBerry(BB.US)$ major support at the last line of Bollinger band. simple trade technique to follow Bollinger band : buy at last line of Bollinger band and book profit at middle of the band with 50% and sell remaining at super side of Bollinger band. with trailing stoploss of 2%.