Shares on the Tel Aviv Stock Exchange opened lower Sunday. The TA 25 opened 0.78% lower, trading at 1,074.9 points. The TA 100 opened 0.84% lower, trading at 982.7 points. The Bluetech 50 index opened 1.62% lower, trading at 339.8 points. The Real Estate index opened 0.53% lower, trading at 255.66 points.