(Bloomberg) -- The US and Chinese economies may still be on their way to decoupling but both are drawing strength from the same source.Most Read from BloombergIran Makes New Offer on Uranium in Response to US, WSJ SaysInside a Year of Chaos and Conflict at Kevin Hart’s Media CompanyEpstein's Black Card: How He Moved Women With His AmexModi Asks Indians to Stop Buying Gold, Hitting Jewelry StocksJust as an AI-driven boom in business investment bolstered US economic growth at the start of this yea