... rose as high as 12.1 percent in early trading.
The company sold 1.81 million new shares, 2.58 million existing shares and an extra 0.66 million in over-allotment option, valuing the firm at 249 million euros at the IPO price of 749.2 crowns.
The stock traded 8.11 percent up at 810 crowns at 0835 GMT.
[PRAGUE/Reuters/Finance.cz]