Microsoft s finder is an excellent site for pre-defined and custom screening of stocks and mutual funds. Many fundamental, market, and technical variables are available as screening criteria. The results are easily saved as Excel files. You can create and manage multiple portfolios. Evaluator contains excellent information on Growth Trends, Financial Health, Management Performance, Market Multiples, Intrinsic Value, and Summary.
Fundamentals contain many useful ratios on one page.
Multiple company comparisons are very useful. Financial Statements contain an abbreviated balance sheet and income statement for 4 years or 4 quarters. This is an excellent site for screening and studying portfolios. Some services are for fee. Of course, free sign-up is available for portfolios.