The most recent trading session ended with First Solar (FSLR) standing at $244.98, reflecting a -1.72% shift from the previouse trading day's closing. This change lagged the S&P 500's 0.25% gain on the day. Elsewhere, the Dow gained 0.2%, while the tech-heavy Nasdaq added 0.56%.Shares of the largest U.S. solar company have appreciated by 6.9% over the course of the past month, outperforming the Oils-Energy sector's loss of 0.05% and the S&P 500's gain of 1.65%.The upcoming earnings release of First Solar wi ...