Greek stocks surged on Monday supported by strong buying interest, particularly for blue chip stocks by institutional investors, in the Athens Stock Exchange. The general index soared 3.25 percent to end at 2,041.99 points, with turnover an improved 224 million euros. The Publication sector was the only one to end lower (0.36 percent), while the Construction (4.47 percent), Banks (3.79 percent), Wholesale (3.42 percent) and Telecommunications (3.15 percent) sectors scored the biggest percentage gains of the day. The FTSE/ASE 20 index for blue chip and heavy traded stocks rose 3.75 percent, the FTSE/ASE MID 40 index ended 1.64 percent higher, the FTSE/ASE SmallCap 80 index ended 3.21 percent up and the FTSE/ASE 140 index rose 3.33 percent. OPAP's shares ended 5.01 percent higher after hitting an intra-day high of 11.2 percent. Broadly, advancers led decliners by 317 to 37 with another 14 issues unchanged.