Harrow (HROW) shares soared 12.9% in the last trading session to close at $19.93. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 2.5% gain over the past four weeks.This rise in share price came after Harrow provided an encouraging update for the relaunch of its ophthalmology drug Triesence. The company has completed manufacturing the first of three commercial-scale process performance qualification (PPQ) batches of the drug, whi ...