StocksThis Is One of the Best Penny Stocks to Buy in March 2019 March 5, 2019 by Money Morning News Team The best penny stocks can be hard to find. We're going to show you what separates the top penny stocks from thousands of others. Our picks for the best penny stocks to buy in March 2019 can get you a quick, hefty return on your investment. With the opportunity for triple-digit returns, you know it's time to get in on the ground floor.