Investorguide.com’s university
Investorguide.com has tutorials that cover the basics of Stocks, Retirement, Investing, Portfolio Management, Taxes, Estate Planning, etc., The topics range from basics such as “Index Funds and ETF’s” to “Sector ETF Rotation Strategies”.
What was really interesting about how the website is designed is that there is a “Similar Articles” section at the bottom that recommends similar tutorials on the site - for people who might get easily bored reading sequential chapters this might work out very well.