As any "Shark Tank" fan can attest, most of the entrepreneurs who step into the studio are fronting intriguing start-up concepts they hope will become the next big thing, from the XTorch ...

Tonight on “Shark Tank,” inventors will present a self-tanner for men, a new flashlight and a reusable cup for marathon runners. “Shark Tank,” season 16, episode eight, airs at 8 p.m ...