Plug Power (NASDAQ: PLUG ) shares dipped 8.68% to touch a new 52-week low of $0.1189. Plug Power's trailing-twelve-month ROE is -103.98%. Dynavax Technologies (NASDAQ: DVAX ) shares dropped 36.70% to touch a new 52-week low of $1.88. The US FDA rejected Dynavax's HEPLISAV, an investigational adult hepatitis B