Ardelyx Stock Declines Amid Low Trading Volume Shares of Ardelyx (NASDAQ:ARDX) fell by 3.5% during Tuesday's trading session, closing at $5.07. The session saw a significant drop in trading activity, with only 287,901 shares exchanged—far below the average volume of over 4 million. Analysts remain divided, with some reiterating buy ratings despite recent price fluctuations.123