Malvern International Plc (LON:MLVN – Get Rating)’s share price shot up 18.2% on Tuesday . The company traded as high as GBX 20 ($0.25) and last traded at GBX 19.50 ($0.24). 157,914 shares traded hands during mid-day trading, an increase of 114% from the average session volume of 73,925 shares. The stock had previously closed […]