UnitedHealth Group (UNH) stock price has fallen from its peak of $675 in March 2025 to $308, signaling a bearish trend. The Fibonacci retracement (61.8% at $394) and the regression trendline confirm a downward trend. Rising healthcare costs are the primary driver. A short-term rebound is possible, but the long-term outlook is bearish, and cost trends warrant careful attention.