Morningstar investment research center Morningstar Investment Research Center Provides research on more than 30,000 stocks, mutual funds, and exchange-traded funds (ETFs) and provides screening tools and data points to build portfolios. Furnishes analysts' reports to analyze funds, stocks, and ETFs. Provides current and historical performances for stock indexes, industries, sectors, and fund categories. Returns are updated daily. Dates of Coverage: Current as well as historical.