NEW YORK ( TheStreet) -- Express Scripts (Nasdaq: ESRX) hit a new 52-week high Wednesday as it is currently trading at $66.10, above its previous 52-week high of $66.06 with 2.4 million shares traded as of 12:46 p.m. ET. Average volume has been 4.6 million shares over the past 30 days. Express Scripts has a market cap of $53.16 billion and is part of the health care sector and health services industry. Shares are up 20.2% year to date as of the close of trading on Tuesday. Express Scripts Holding Company provides a range of pharmacy benefit management (PBM) services primarily in the United States and Canada. It offers healthcare management and administration services on behalf of its clients.