First Solar, Inc. (NASDAQ:FSLR) ranks among the best sustainability stocks to invest in. Despite announcing record quarterly volume and a solid third-quarter performance, First Solar, Inc. (NASDAQ:FSLR) released dismal full-year guidance on October 30. The company announced revenue of $1.59 billion, which narrowly exceeded the average estimate of$1.58 billion. However, owing to one-time underutilization charges, adjusted earnings per share came in at $4.24, slightly less than the expected$4.27. Pixabay ...