Chinese security software maker Cheetah Mobile files for U.S. IPO

Security software maker Cheetah Mobile Inc, a unit of Chinese software company Kingsoft Corp Ltd , filed with U.S. regulators on Wednesday to raise about $300 million in an initial public offering of American Depositary Shares.

Beijing-based Cheetah, formerly known as Kingsoft Internet Software Holdings Ltd, told the U.S Securities and Exchange Commission in a preliminary prospectus that Morgan Stanley, J.P.Morgan, Credit Suisse and Macquarie Capital were underwriting the IPO. (r.reuters.com/dyr28v)