The vast majority of lower income people are living week to week and pay check to pay check. Thinking about putting money in the market is the last thing they would even consider. The majority of middle income households don't even have money to put in the market these days.
Also, this horse%%%% about money on the sidelines. They have been saying this forever as if it means anything. A business is wroth only so much, just like houses were. Money on the sidelines means nothing you stupid Als'.