Shares of Liquidia Technologies (NASDAQ: LQDA), a biopharmaceutical company specializing in treatment of pulmonary arterial hypertension and other uses of its PRINT (Particle Replication In Non-Wetting Templates) technology, rose 18.4% on Monday. The stock closed at $7.30 on Friday, then rose to a high of $8.64 on Monday before falling to $8.39 at Monday's close. The stock has a 52-week low of $2.40 with a high of $8.79.