$UnitedHealth(UNH)$ I chose to invest in UnitedHealth because it's one of the most stable and consistently performing healthcare companies in the U.S. Its integrated business model, which combines insurance (UnitedHealthcare) with health services (Optum), creates a strong ecosystem that delivers both steady cash flow and long-term growth. In times of economic uncertainty, I find its defensive nature especially attractive.UnitedHealth has a proven track record of earnings consistency and disciplined management. It continues to grow revenue and earnings year after year, even during challenging market cycles. I see it as a reliable compounder—able to deliver both capital appreciation and potential dividend growth over time, which aligns well with my long-term investment goals.Another reason I'm bullish is the expanding role of Optum, UnitedHealth's data-driven health services arm. As the healthcare system shifts toward more value-based care and digital solutions, Optum's capabilities in pharmacy benefit management, data analytics, and care delivery give the company a strong edge. I believe this tech-enabled side of the business will be a major driver of future growth.From a valuation standpoint, UnitedHealth often trades at a premium to the sector—but I see that as justified given its scale, margins, and resilience. With demographic trends such as an aging population and growing demand for healthcare services, I think UnitedHealth is well-positioned to benefit from secular tailwinds for years to come.Finally, I view UNH as a core defensive holding in my portfolio. It provides diversification away from high-growth tech names while still offering steady upside. Given the recent rotation into defensive sectors and its strong rebound in share price, I see this as a solid entry point for long-term investors.@Tiger_comments  @TigerStars  @CaptainTiger