ソース:[1] Gerdau SA (GGB) Q2 2025 Earnings Call Highlights: Strong North American Performance and... (https://finance.yahoo.com/news/gerdau-sa-ggb- ...)[2] Earnings call transcript: Gerdau's Q2 2025 shows strong North American growth By Investing.com (https://vertexaisearch.cloud.google.com/groun ...)[3] Gerdau improves financial performance in Q2, Brazil investments frozen, focus shifts to Europe - SteelOrbis (https://vertexaisearch.cloud.google.com/groun ...)