The respective chief executives of $139 billion Philip Morris International (PM.N) and $95 billion Rio Tinto (RIO.L) are attempting takeovers that are central to their strategies. Olczak, who needs 90% of shareholders to accept in order to automatically de-list the company, initially faced opposition to his $16 billion offer. The mining giant asked for the postponement at the request of Quebec’s financial regulator, Turquoise Hill said. Two key investors in Turquoise Hill have agreed to withhold their votes on the bid, with their final deal dependent on Canadian arbitration. Turquoise Hill shares closed at C$41.6 on Nov. 4.

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