Why Argenx SE (ARGX) Stock Advanced on Commercial Execution

ClearBridge Investments, an investment management company, released its “ClearBridge Mid Cap Strategy” Q4 2025 investor letter. A copy of the letter can be downloaded here. During the quarter, the ClearBridge Mid Cap Strategy reported underperformance versus the Russell Midcap Index, which returned 0.16% during the period, as narrow market leadership and sentiment-driven trading weighed on results. Weakness in information technology and real estate holdings pressured returns, while gains in select consumer ...