A tamer-than-expected U.S. inflation report for September injected optimism into markets. Traders are now betting that the Federal Reserve will almost certainly cut rates at its October meeting — scheduled for later this week — as well as at its December gathering.Major U.S. indexes climbed Friday and had their second consecutive week in the green, with the S&P 500, Nasdaq Composite and the Dow Jones Industrial Average all up about 2% for the week.The inflation report offers additional support to markets al ...