New capacity is coming online in the domestic steel market.Nucor (NUE 0.88%) stock has recently surged, helping shares of North America's largest steelmaker far outpace the S&P 500's (^GSPC 1.07%) return thus far in 2025. Nucor stock has jumped 15% since it reported strong third-quarter results, bringing its year-to-date return to 42.8% (versus the S&P 500's 17% gain).Steel is a cyclical sector, and several catalysts could propel Nucor stock even higher through the cycle. However, there are also factors tha ...