联合健康第二季度调整后每股收益为4.08美元，去年同期为6.80美元，市场预期为4.59美元。预计全年调整后每股收益至少为16美元，市场预期为20.40美元。预计将在2026年恢复盈利增长。联合健康美股盘前大幅波动，现涨0.67%。

Core Insights - UnitedHealth's adjusted earnings per share for Q2 were $4.08, down from $6.80 in the same period last year, and below market expectations of $4.59 [1] - The company expects adjusted earnings per share for the full year to be at least $16, while market expectations are at $20.40 [1] - UnitedHealth anticipates a return to profit growth by 2026 [1] - The stock experienced significant volatility in pre-market trading, currently up 0.67% [1]