Greek stocks across the board ended the week with significant losses yesterday, amid a negative international climate that saw markets slump around the world. The Athens Exchange (ATHEX) general index declined by 1.53 percent to 4,901.27 points yesterday from 4.977.50 points on Thursday. The FTSE/ATHEX 20 blue chip index fell by 1.64 percent to 2,608.62 points. The FTSE/ATHEX Mid-40 shed 2.04 percent and the FTSE/ATHEX 80 small-cap index dropped 0.99 percent. The FTSE/ATHEX International declined by 1.65 percent to close at 7,020.87 points. The only blue chip to record gains yesterday was Coca-Cola HBC (up 0.41 percent), while leading the losers was Titan (down 3.70 percent), followed by Hellenic Technodomiki TEV (3.05 percent), National Bank (2.75 percent), Hellenic Petroleum (2.50 percent), EFG Eurobank (2.16 percent) and Alpha Bank (1.71 percent). All but one of the sectoral indices headed southward, with insurance being the sole exception (up 0.52 percent). Commerce stocks fell by 3.40 percent, health lost 2.88 percent, construction declined by 2.58 percent, personal and household goods shrunk by 2.34 percent and raw materials shed 2.08 percent of their value. Turnover came to -593.14 million, with block trades accounting for just -29.46 million.