Hydromer, Inc. (OTCMKTS:HYDI – Get Free Report) shares traded down 30.4% during mid-day trading on Wednesday . The company traded as low as $0.25 and last traded at $0.25. 600 shares were traded during mid-day trading, a decline of 90% from the average session volume of 5,867 shares. The stock had previously closed at $0.36. […]