Coty Inc. is close to a deal to buy OPI Products Inc. for as much as $1 billion, according to a Bloomberg report. The two companies are in exclusive talks and may reach an agreement as soon as this week, said sources, who asked not to be identified because the matter is private. OPI may sell for $900 million to $1 billion, one person said. A deal could still fall through in the final stages, or another company could make a bid. Coty, which calls itself the world’s largest fragrance compan...