> If index funds didn't exist, why would I take $100 of Fifth Third Bancorp or TechnipFMC when I could get $100 of Apple or Slack instead? Because you don't kn

> If index funds didn't exist, why would I take $100 of Fifth Third Bancorp or TechnipFMC when I could get $100 of Apple or Slack instead? Because you don't know which one will become the next Apple or Slack and will invest before they are valued as the next Apple or Slack benefiting from all their growth. Some of them will die, but the effect on the overall holdings will be small given their small size.