Doesn't seem like the same Immunotech. Based in Prague and a subsidiary of Beckman Coulter. PR is calling them "Immunotech Prague." Not even based in the same country as IMMB.
JACK'S RULES OF TRADING 1. Never chase a stock that's already run up considerably. 2. Never panic sell. In other words: When in doubt, hold. 3. When the stock price is down but the company still has potential, add.