TORONTO — Intergeo, the copper and nickel company owned by billionaires Mikhail Prokhorov and Maxim Finsky, hopes to raise several billion dollars in a initial public offering on the Toronto Stock Exchange by the end of the year. Finsky, the company’s chairman and 20 percent stakeholder, said in an interview Wednesday that the company would float about 10 percent of its shares in the offering. “We are planning to bring it […]