A blockbuster week for U.S. stocks could end in more records. Stock indexes rose modestly Friday, while Treasury yields slipped. The S&P 500 and Dow industrials are on track to deliver their best weekly performances in a year. Smaller stocks have done even ...

The blue-chip index was up 408 points, or 0.9%, to 44,137.34, with an hour and 15 minutes left in the session. The S&P 500 was up 0.6% to 6011.52. The Nasdaq Composite was up 0.2%. All three were on track for record closing highs.