 Miragen Therapeutics Inc NASDAQ:MGENs stock price fell 8.2 during mid-day trading on Wednesday . The company traded as low as 1.11 and last traded at 1.12, 28,655 shares were traded during mid-day trading. A decline of 99 from the average session volume of 3,619,569 shares. The stock had previously closed at 1.22. Several brokerages have ... 