(RTTNews) - A report released by the Commerce Department on Friday showed U.S. retail sales unexpectedly came in unchanged in the month of September. The Commerce Department said retail sales were virtually unchanged in September after rising by an upwardly revised 0.4 percent in August. "With retail sales unchanged in September there is still little evidence that the boost to purchasing power from the earlier sharp fall in gasoline prices has helped real consumption," said Andrew Hunter, Senior U.S.