Amazon Web Services' backlog reached $578 billion, growing at triple-digit rates and faster than revenue, while AWS sales increased 39.3% to $46 billion. Backlog rose $82 billion from the second quarter, according to BeInCrypto, versus a $3.8 billion quarterly sales increase; Jefferies analyst Brent Thill cited data-center and supply-chain bottlenecks. Amazon missed earnings estimates and shares fell more than 7% in after-hours trading, while trailing free cash flow swung to a $42.4 billion outflow from a $14.8 billion inflow a year earlier.