Separately, two days of chaos in China's $21 trillion bond market ended on Friday after Beijing allowed money brokers to resume providing data to third-party platforms. Jeffrey Gundlach, CEO of DoubleLine Capital, said he considered selling Treasuries earlier in the week but the market was "wildly illiquid." Bond market volatility spikesKEEPING WATCHThe heightened volatility has caught the eye of officials who play a role in ensuring financial markets stability. Analysts noted that bond volatility was exceptionally high not only because of a flight to safe-haven government debt, but also due to a massive repricing of rate-hike expectations. "If liquidity is deteriorating due to wild swings in safe-haven markets, that has implications for the functioning of financial markets and broader economic stability."

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