Graphic Packaging Holding Company GPK Q1 2026 Earnings EPS Surges Past Estimates as Operational Efficiencies Drive Profitability Woodward WWD Q1 2026 Earnings Strong EPS Beat Bolstered by Operational Gains Yet Shares Edge Lower Singtel Shares Slide 64 on Weak Singapore Performance Group Reaffirms Optus Commitment ZVRA Q1 2026 Earnings Profit Surge Beats Estimates by Wide Margin European Stocks Open Higher as Markets Eye Potential Progress in Iran Nuclear Talks Taiwan Arms Sales Emerge as Key Topic in TrumpXi Discussions Harvard Endowments Next Chief Faces Private Equity Headwinds as Narvekar Retirement Looms