In 2019, First Solar Inc. ( NASDAQ: FSLR ) posted a 36% year-over-year revenue increase and an operating income gain of 600% to $279.5 million for the year. Net income, however, plunged from $144.3 million to a net loss of $114.9 million. The company recently has been able to find buyers for its big solar projects, and that has helped its cash flow significantly. Since 2012, the stock has not closed above $79.