 Central European currencies gave up some of their recent gains on Tuesday after a strong run in recent weeks, while in Prague Central European Media Enterprises CME shares plunged on disappointment at the price of a acquisition bid. On currency markets, the Czech crown shed 0.2 to be bid at 25.56 to the euro and the Hungarian forint fell 0.1 to 328.55. The Polish zloty was steady at 4.272. 