New York (CNN Business) The Dow bounced back from its earlier losses on Friday after Treasury Secretary Steven Mnuchin and President Donald Trump characterized talks with Chinese negotiators as "constructive." But the trade turmoil this week still gave the index its worst week since March.

The Dow finished up 114 points, or 0.4% higher — a big recovery after being down as much as 300 points earlier in the day. Mnuchin's comments to CNBC led stocks to move off their lows. Trump followed them up with a tweet, saying the talks would continue and calling his relationship with China's President Xi Jinping "strong."

S&P 500 SPX Nasdaq COMP Theandalso rebounded. Both snapped a four-day losing streak, but still had their worst week since December.

In the latest development in the China-US trade spat, American tariffs on $200 billion worth of Chinese goods increased from 10% to 25% at 12:01 am ET on Friday.

Beijing expressed "deep regret over the development" and reiterated that the possibility of retaliatory sanctions.

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