Norilsk approves $8.75 billion Rusal stake buyout

MOSCOW -(Dow Jones)- The board of Russian miner OAO Norilsk Nickel (GMKN.RS) Wednesday approved the offer to buy a part of United Co. Rusal PLC’s (0486.HK) stake in the company for about $8.75 billion. Norilsk, the world largest nickel and palladium