AVXL is it still very actively trading after hours. After an initial dip it is holding gains and trading flat. Momentum might carry over to Thursday or it might explode again in a short squeeze. Most commonly after a big one day run like that one would expect a few days of consolidation however this may be an exception due to the surprise and fundamental acceleration of the ALZ timeline. A 48 week trial. Look at other disruptive biotechs on the move like Arrowhead more than doubling in two months. AVXL might triple or double by the end of summer.