The Top 10 Penny Stocks to Watch in March 2020 While the story above may be hypothetical, a quick Google search proves it’s not too far from the truth for many successful penny stock traders. Just look at Josh Sason who made millions , or Tim Grittani who started with $1,500 only to turn it into a portfolio worth over $1 million. Top 3 penny stocks to Watch for June and July 1. ULGX- UROLOGIX. 2. VCTL- Rainmaker Systems Inc. 3. GNOW- American CareSource Holdings, Inc. List of The Best Penny Stocks Traded on the NASDAQ, NYSE, OTCQX, OTCQB & Pink Sheets. The following is a list of the best Penny Stocks for 2019. Utilizing stock screeners, we have identified the top 20 penny stocks that are traded on the NASDAQ / NYSE, OTCQX, OTCQB and Pink Sheets exchanges, for the past 13 weeks (updated 3/17/2019).