The week begun with not exciting trading session with lower than average volumes. CEZ reached its new all-time-high during the day at CZK 1,435 per share. Komercni banka extended gains from Friday on the back of the target price upgrade of CZK 5,500 at Unicredit. International buyers supported Telefonica O2 CR, which broke the CZK 560 level. Zentiva slid on the lack of demand and low volumes.