TAIPEI -(Dow Jones)- Taiwan Semiconductor Manufacturing Co. (TSM) has fired Manosha Karunatilaka, an account manager who was arrested in an insider trading probe in the U.S Thursday, company spokeswoman Elizabeth Sun said Friday. "We terminated his employment contract immediately after he was arrested in the U.S.," Sun said. She declined to comment further. Federal prosecutors in the U.S. on Thursday charged Karunatilaka, and three other people at different firms with peddling financial details about prominent technology companies and with leaking secrets about popular consumer products such as Apple Inc.'s iPhone in exchange for cash. -By Aries Poon, Dow Jones Newswires; 886-2-25022557; aries.poon@dowjones.com