 Wall Street opens this morning after another record-setting day. Markets were mixed, but the S&P 500 index and the Nasdaq each at new record highs this morning. Some investors say a pullback would be very normal at any time. We've got a 40-year high in these top 10 mega cap stocks in terms of their concentration in the S&P 500. And for sure, they are ripe for correction. That would be a viable dip.