Question: what are the best penny stocks to buy in may 2020?
Answer: Kronos Advanced Techs Inc (OTCPK: KNOS)
Zest Technologies, Inc (OTCQB: ZEST)
Big 5 Sporting Goods Corporation (NASDAQ: BGFV)
Vystar Corp (OTCQB: VYST)
Sonoma Pharmaceuticals Inc. ... 
Tip #1: Look for Big Percent Gainers.
Tip #2: Look for Big Volume.
Tip #3: Look for a News Catalyst.