 12 weeks or so. The S&P 500 has been up for 10 of the last 12 weeks. But all of a sudden last week, we started to see broader participation in sectors that weren't just the artificial intelligence darlings like the Magnificent Seven. Those are companies with the highest valuation like Apple and Amazon. But again, a record day for the Dow. The stock index adding 742 points, closing near 41,000. CBS News Special Report. I'm Monica Ricks.