Wall Street kept up a broad winning streak today, giving blue chip stocks their fifth straight advance as investors looked for clues about whether dire predictions for the holiday shopping season would prove accurate.

Wall Street wobbled through a listless session and closed mixed tonight as investors awaited the results of this week’s Federal Reserve meeting. Modest gains in the Dow Jones industrial average were enough for the index to set new trading and closing records.

Stocks chalked up modest gains today in unusually light trading before Federal Reserve Chairman Alan Greenspan’s congressional testimony.