The Czech market closed significantly higher, but volumes traded were below the averages. CEZ, (581 CZK, -0,02%) O2 CR and Komercni banka were the most actively traded listings. CEZ rallied just before the market close and crossed easily the CZK 1,100 mark and finished CZK 10 above this level. No news were out and it seems like short covering. O2 CR hovered above CZK 580 during the day. (288 CZK, 0,03%) gained after releasing its 2Q07 numbers, which came in slightly better than market has expected.