(Bloomberg) -- Commodities bulls betting on a revival in Chinese demand will be hoping for more visible policy support as prices retreat in the world’s biggest buyer of raw materials.Most Read from BloombergEveryone Wants to Work at UPS After Teamsters DealWeWork Tumbles After Raising ‘Substantial Doubt’ About FutureUS Bank Shares Drop as Moody’s Cuts Ratings, Warns on RisksWall Street WhatsApp, Texting Fines Exceed $2.5 BillionTesla CFO Kirkhorn Exits With $590 Million FortuneFaltering imports