Ironwood Pharmaceuticals, Inc. (NASDAQ:IRWD – Get Free Report) shares traded up 5.5% during trading on Wednesday . The stock traded as high as $8.19 and last traded at $8.18. 351,520 shares were traded during mid-day trading, a decline of 92% from the average session volume of 4,272,103 shares. The stock had previously closed at $7.75. […]