First Solar Slides as Investors Weigh Tariff Uncertainty and Recent Policy Risks

First Solar (FSLR) stock declined 3.1% due to ongoing investor uncertainty surrounding U.S. solar trade policy, new import rules, and lingering tariff-related issues. Despite strong Q2 2026 results and reaffirmed full-year guidance, a recent White House proclamation adding duties on polysilicon derivatives and existing securities litigation are contributing to fragile sentiment. Insider selling, significant institutional trading, and congressional purchases are also detailed, alongside recent analyst price targets.