The largest retail trade group in the United States said Tuesday that it expects consumers to spend more during the upcoming holiday shopping

U.S. holiday sales are expected to grow as much as 3.5%, the slowest pace in six years, the National Retail Federation forecast on Tuesday, as shoppers turn more frugal and get picky with spending on non-essentials.

The largest retail trade group in the United States said Tuesday that it expects consumers to spend more during the upcoming holiday shopping season but the growth in sales to be slower than last year due to concerns over persistent inflation and prices.