First Solar, Inc. (FSLR) saw a 9.69% surge on Monday to $219.33 per share after new solar tax credit rules were less restrictive than anticipated, boosting investor confidence.

The Treasury Department’s updated rules now require companies like First Solar to commence physical construction before July 5, 2026, to qualify for tax incentives, a change from the previous 5% spending requirement.

The One Big Beautiful Bill Act will phase out clean energy tax credits for projects after 2027, with exceptions for those that began by July 5, 2026, providing a year-long window after the bill’s enactment.

First Solar, Inc. (FSLR) and other industry players rallied on the news of updated solar tax credits, signaling positive sentiment in the sector.

Read more at Yahoo Finance: First Solar (FSLR) 9.7% Brighter on Updated Solar Tax Credits