Uranium mining stocks soared on Wednesday after a surprise hike in extraction taxes in Kazakhstan, the world’s largest uranium-producing country, which BMO Capital Markets said will limit future supply growth. As Interfax first reported, the government in Kazakhstan introduced a new Mineral Extraction Tax (MET) for uranium, replacing the existing 6% flat rate MET introduced in 2023. Per the new code, the new MET rate is to increase to 9% from 6% in 2025. However, the biggest change is from 2026 onwards where the Government has introduced…