Dow closed 153 points, or 0.6%, while Nasdaq closed 0.7% on Friday.
All three indices made a profit this week, with market movements driven mainly by company earnings. For S&P, it was the third straight week of gains, while it was the fourth week of wins for Nasdaq.
However, on Friday, the office told the US Trade Representative that the US and China were ahead of completing their phase of a trade agreement. This boosted equities.