First Solar (FSLR) traded lower Monday as the market continued to digest the company’s conservative 2026 setup—specifically guidance that implied softer net sales than investors had been modeling, alongside persistent uncertainty tied to trade policy and tariffs. The stock has remained sensitive to headline-driven sentiment since its late-February earnings release, and incremental legal/investor-investigation headlines have kept pressure on risk appetite for the name.

The dominant bearish narrative remains that First Solar’s 2026 net-sales outlook came in below Street expectations, with management pointing to policy uncertainty and project/permitting delays that can push customer timelines to the right. Investors are also weighing expected 2026 tariff-related impacts discussed around the earnings period, which can pressure margins and complicate near-term visibility even for a company positioned as a U.S.-manufacturing beneficiary.

Adding to the caution, investor-law-firm investigation announcements tied to the recent earnings miss and 2026 outlook have circulated in March, creating a familiar ‘headline risk’ setup that can amplify downside moves on quiet days. While such investigations don’t necessarily indicate wrongdoing or a quantifiable financial hit, they can keep incremental buyers sidelined and encourage short-term de-risking.

Near-term, traders will focus on whether analyst estimate revisions stabilize after the 2026 guide, and whether any policy/tariff clarity improves project-level confidence for U.S. utility-scale solar builds. Investors will also watch for any contract-booking updates, cancellation trends, or commentary on permitting timelines that could either validate management’s caution or support a re-acceleration narrative.