Gerdau GGB Slips 32 as Steel Sector Faces Headwinds Technicals Point to Key Support at 427 Global Markets Slide as Russias Putin Updates Nuclear Doctrine Sparking RiskOff Sentiment ADTN Q1 2026 Earnings Earnings Beat Expectations by 47 as Cost Management Drives Profitability Nomura Warns RBIs Latest Rate Cut May Dilute Policy Framework