stocks10 Top Penny Stocks to Watch This Week - and One on the Verge of a 236% Gain October 8, 2018 by Money Morning Staff Reports Last week's top penny stock locked in a 335%, demonstrating the tremendous earning power of the top penny stocks. On Tuesday (Oct. 2), shares of vTv Therapeutics Inc. (NASDAQ: VTVT) surged 149% on reports that commercial therapy firm had received a sizable investment from the MacAndrews & Forbes Group, one of the world's leading investment firms.