Top 10 Explosive Penny Stocks to Invest In 2018 (Hot Picks) 1. Aerotech (NASDAQ: ARTX) Aerotech is a defense design and manufacturing company 2. Mueller Water Products, Inc. (NYSE: MWA) Mueller Water Products, Inc. 3. Valeant Pharmaceuticals Intl Inc (VRX) Although it experienced problems Stock Street Wire delivers the ultimate stock alerts, penny picks & small cap news from the NYSE, Nasdaq and OTC. Sign up free for our email and SMS alerts. Stock Street Wire delivers the ultimate stock alerts, penny picks & small cap news from the NYSE, Nasdaq and OTC. Sign up free for our email and SMS alerts. Hot Penny Stocks. This is a list of hot penny stocks today with trading volume over 1 million and a percentage gain of at least 5 percent or a loss of at least 5 percent. These penny stocks spike in volume today and are worth watching for swing trading or day trading. Stocks Under $1 $2 $5. Volume >=0 300,000 500,000.