Ardelyx, Inc. (NASDAQ:ARDX – Get Free Report) traded up 4.9% on Friday . The company traded as high as $9.81 and last traded at $9.72. 1,714,722 shares were traded during trading, a decline of 74% from the average session volume of 6,644,056 shares. The stock had previously closed at $9.27. Analyst Upgrades and Downgrades ARDX […]