> At this point, most people agree that investment for retirement generally involves putting money in an index fund and that's what people are doing. A percenta

> At this point, most people agree that investment for retirement generally involves putting money in an index fund and that's what people are doing. A percentage of their paycheck goes here. Withdrawing at retirement does create sell pressure though. The market has to continue attracting new investors for cash out all of the people who are withdrawing later at retirement.