Stocks were filled with Christmas cheer with a little more than one hour remaining in Wednesday’s shortened session. The Dow Jones industrial average and the S&P 500 were trading at all-time highs. The Nasdaq led the charge, up 0.4%. The S&P 500 and Dow Jones industrial average gained 0.2% each in the stock market today. Not surprisingly, volume was light. The best and worst industry groups swapped places for the day.