Like Winners? These 3 Stocks Have Already Doubled in 2021

Many investors were happy about the returns that their stock portfolios gave them in 2020. In particular, there were a huge number of stocks that doubled shareholders' money in the past year. ReneSola (NYSE: SOL), 3D Systems (NYSE: DDD), and Globalstar (NYSEMKT: GSAT) have emerged as early stock market leaders in 2021.