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May's Top Penny Stock Gained 439%; Here's the Stock You Need to Buy in June

With the top six top penny stocks gaining over 100% in May, we've assembled the 10 top penny stocks to watch for June. We've also found the one affordable stock you need in your portfolio right now.

The top-performing penny stock in May was Blink Charging Co. (Nasdaq: BLNK), a company that develops electric vehicle charging ports.

Thanks to several partnership the company made in May, Blink stock surged an astonishing 439%.

On May 11, Blink stock gained over 100% after the company announced a partnership with the city of Miami, Fla., to install its ports in the city’s garages...