Shares on the Tel Aviv Stock Exchange were down slightly in trading Sunday morning. The TA 25 index was down 0.21%, at 1,248.77 points. The TA 100 index was down 0.34%, at 1,134.25 points. The Bluetech index was down 0.69%, at 282.16 points. The Real Estate index was down 0.54%, at 319.65 points.