The office-supply chain suggested it was open to a joint venture with its rival Staples.
The owner of Ladbrokes rebuffed the proposal, saying it "significantly undervalues the company and its prospects."
While all eyes are on the equity markets, credit is the lifeblood of corporations. Which companies are facing headwinds?
China accounted for about half of global consumption of key base metals in 2014, suggesting significant risk for the industry, says Moody's.
