Swimming when Red flags are up is a fools plan.
80% of Trading is done by large investors using computers or as referred Black boxes.
Trading volume has broken down at this level, and a afterhours sell off yesterday showed this.
1 selling Trade last night was booked at 14million dollars after hours, 1 trade, do you really think a retail investor has this kind of Gun Powder.
Also remember that over 5% of Walgreen stock is now controlled by hedge funds that skim pricing.
that 5% represents about 5million shares.