The local bourse was unable to maintain its upward trajectory for a second session in a row yesterday, with its main index posting a marginal decline on a day with the lowest turnover of the year. The Athens Exchange (ATHEX) general index closed at 1,451.08 points, declining 0.07 percent from Thursday’s close at 1,452.13 points. During the course of the session it had registered gains of 1.46 percent, but these were all wiped out in the end. The blue chip FTSE/ATHEX 20 index rose 0.05 percent to end at 685.13 points. On a weekly basis, the main index lost 0.64 percent. Leading blue chips were the stocks of Jumbo (up 2 percent), Hellenic Petroleum (1.69 percent), Titan Cement (1.55 percent), Motor Oil (1.48 percent) and Viohalco (1.45 percent). Heading south were the blue chips of Hellenic Postbank (down 1.65 percent) and Coca-Cola HBC (1.44 percent), while National Bank contracted 0.78 percent. Overall 87 stocks rose, 73 fell and 56 remained unchanged. Plastics E. Pairis SA posted the greatest rise (up 19.51 percent), while supermarket chain Atlantic was the worst off, with an 18.75 percent decline. Turnover came to just 58.8 million euros.