Pharma stock with heavy premarket volume on stem cell treatment having positive phase three trials. In the first 30 mins of trading stock seemed poised to break through resistance at 2.40. I entered 500 shares long at 2.13. ticker moved to mid 2.30s, but never breached 2.40 there was a pull back into the low 2.10s. I added 500 shares a 2.145. The ticker pushed past vwap, but could get into the 2.30s. I caught spike from 2.15 to 2.27 and I exited for small profit.