SRFM Surf Air Q4 2025 EPS misses estimates sharply stock dips modestly on weak quarterly results Vanguard SP 500 ETF VOO 3 Peer Vanguard Index Funds Positioned to Outperform the SP 500 Over the 5Year Forward Horizon OPTU Optimum falls 958 as Q4 2025 earnings per share drastically underperform analyst expectations