NEW YORK ( TheStreet) -- United Therapeutics Corporation (Nasdaq: UTHR) hit a new 52-week high Thursday as it is currently trading at $69.79, above its previous 52-week high of $69.68 with 252,519 shares traded as of 2:35 p.m. ET. Average volume has been 686,200 shares over the past 30 days. United has a market cap of $3.38 billion and is part of the health care sector and drugs industry. Shares are up 27.2% year to date as of the close of trading on Wednesday. United Therapeutics Corporation, a biotechnology company, focuses on the development and commercialization of products to address the unmet medical needs of patients with chronic and life-threatening conditions worldwide.