Morningstar is a research site famous for fair-value estimates and star ratings — and it's the standard for fund and ETF analysis.
1. Star ratings and fair value
It compares an analyst-derived fair value against the current price and expresses under/overvaluation as stars (★) — intuitive even if numbers aren't your thing.
2. Financial health and growth
It assesses profitability, growth, financial health and economic moat — especially useful for long-term investors.
3. Funds and ETFs
Beyond single stocks, its fund and ETF ratings, fees and performance tools are strong. Pair it with etf.com for ETF research.