The yield spread between the 10-year Greek and German benchmark bonds widened slightly to 12.23 pct in the domestic electronic secondary bond market on Wednesday, with the Greek bond yielding 15.48 pct and the German Bund 3.25 pct. Turnover in the market, totaled 59 million euros, of which 49 million euros were sell orders and the remaining 10 million euros were buy orders. The 10-year benchmark bond was the most heavily traded security with a turnover of 15 million euros. In interbank markets, interest rates continued moving higher. The 12-month rate was 2.15 pct, the six-month rate 1.70 pct, the three-month rate 1.41 pct and the one-month rate 1.25 pct.