Markets Are Always Different This Time

A friend was cleaning out one of his rental properties and came across the business section in an old newspaper from 1960:

The chart shows the make-up of the S&P 500 by sector at the time:

425 industrials
25 rail companies
50 utilities

Things look just a tad different today.
This is what the S&P 500 company breakdown looks like now:

Industrials 83
Financials 76
Information Technology 75
Health Care 60
Consumer...