Shares of Cameco (NYSE:CCJ) climbed 1.9% in pre-open trading Tuesday as the market responded to news of a new nuclear power cooperation deal signed between Poland and Canada. In addition, investors are bottom-fishing after Monday's 15% sell-off on worries less nuclear power may be needed for data centers after China AI start-up DeepSeek revealed a purported more efficient AI model.

The balance of power is shifting in Europe, and NATO member Poland is on track to surpass Russia in terms of having more tanks and armored vehicles. Two factors are at play—both tied to the war in Ukraine.

Polish President Andrzej Duda has said that Europe should never resume gas imports from Russia, even if a peace agreement is reached between Ukraine and Russia. Speaking to the BBC, the Polish leader emphasized that the Nord Stream 1 and 2 pipelines should be "dismantled,