ETF Fridays is about ETF'S and index funds, they both are a group of stocks that are under the same umbrella. They always say if you don't want to do the research on companies before you buy them just get index funds or ETF'S . This is XLK it is a Technology etf that is heavy on great companies that are all Technology companies XLK is up 143.05% in 5 years so if you had your money in this elf for the last 5 years it would be up 143.05%. EXAMPLE: $100,000 INVESTED WITH THIS ETF WOULD BE $143,050 RIGHT NOW. Remember if you had it sitting in a bank savings account it would have been $101,000.