U.S. January core retail sales unchanged; December revised down

WASHINGTON (Reuters) - U.S. consumer spending appears to have slowed further in January, with sales at clothing stores declining by the most since 2009, which could raise concerns about the economy's ability to continue expanding at a moderate pace. The mixed retail sales report from the Commerce Department on Friday also showed purchases by households were not as strong as initially reported in December. Fed Chair Jerome Powell told lawmakers this week that the "economy is in a very good place,..