Russia's Rusal shelves $9 bln IPO plan

LONDON, Sept 21 - Russia's United Company RUSAL, the world's top aluminium producer, has decided to shelve its $9 billion initial public offering plan because of market turmoil and liquidity worries, people close to the firm said on Friday. The deal would have been the biggest IPO of 2007 globally, surpassing Russian peer VTB Bank , which raised $8 billion in May.