Solar stocks gain as US finalizes tariffs on Southeast Asian solar imports

U.S.-based solar companies rise premarket as trade officials in the United States on Monday finalized steep tariffs on most solar cells from Southeast Asia

This is part of a year-old case where U.S. firms had accused Chinese companies of flooding the market with unfairly cheap goods and endangering their U.S. investments

Tariffs targets major Chinese solar firms such as Jinko Solar 688223.SS and Trina Solar 688599.SS

Cambodian products to face duties of more than 3,500%

Finalization of tariffs hinges on a June vote by the International Trade Commission, assessing whether the industry suffered material harm from cheap imports

First Solar FSLR.O up 5.8%, SolarEdge Technologies SEDG.O 2.6%, Sunrun RUN.O 1.5% and Enphase Energy ENPH.O 2.5%