Early signs of softness in holiday spending sent retail stocks lower on the first day of trading after the Thanksgiving holiday. Macy's and Kohl's each fell 2% Monday, while Target fell 1%, more than the rest of the market. Health care stocks also took a tumble. Drugmakers Celgene and AbbVie each fell 3%. The Dow Jones industrial average gave up 78 points, or 0.4%, to 17,719. The Standard & Poor's 500 index lost nine points, or 0.5%, to 2,080. The Nasdaq composite gave up 18 points, or 0.4%, to 5,108. Bond prices rose slightly. The yield on the 10-year Treasury note edged down to 2.21%. (More stocks stories.)