Wholesale prices were flat in September, below expectations CNBCWholesale prices flatten out and signal low inflation in guts of the economy MarketWatchUS Producer Price Index Unchanged on Decline in Gasoline Costs Yahoo FinanceUS PPI final demand August YoY 1.8% vs 1.6% est. Ex Food and energy 2.8% vs 2.7% est. ForexLiveAnother key US inflation gauge fell in September CNN