Retail value investors will potentially protect their portfolios with the buy opportunity that Byrna Technologies Inc. (NASDAQ: NASDAQ: BYRN ) stock presents. Byrna manufactures and sells “less-lethal self-defense… personal security” products, and according to itsI write for retail value investors who cannot afford to lose money but sometimes like to take a risk. I speak for free to community and school groups. I was teaching business, social/political activism, and Middle East politics to international uni ...