Solar stocks rise in premarket trading as Trump extends China tariffs to polysilicon
Shares in the solar sector gained ground in early US trading following President Donald Trump’s announcement of fresh import restrictions on polysilicon, a key component in panel manufacturing.
Solar stocks rose in premarket trading on Thursday following President Donald Trump’s announcement of new import restrictions on polysilicon products from China. The policy move extends existing tariffs to cover the material, which is a critical input for solar panel manufacturing.
The announcement was made against a backdrop of heightened geopolitical activity, specifically the commencement of a two-day summit in Beijing between President Trump and Chinese President Xi Jinping. The meeting, which began on 14 May 2026, involves discussions on trade, artificial intelligence, and tensions regarding Iran, accompanied by a delegation of major technology executives.
US equity markets showed positive momentum at the start of the summit, with the Dow Jones Industrial Average gaining 0.8%, the S&P 500 rising 0.3%, and the Nasdaq Composite climbing 0.2%. Nvidia shares also surged more than 2% earlier in the day following US approval of certain technologies, indicating a broader rally within the tech sector.
While the immediate reaction in the solar sector was positive, specific details regarding the new import restrictions remain unconfirmed in the available source material. It is not yet clear what the specific tariff rates, effective dates, or potential exemptions for the new polysilicon measures will be.
The market reaction occurred in premarket trading, reflecting immediate investor sentiment rather than confirmed end-of-day performance. The extension of tariffs to polysilicon adds a new layer to the ongoing trade dynamics between the United States and China, potentially impacting supply chains for renewable energy manufacturers.
Sources: CNBC

