After many years of systematically losing money on its core business - the East and Westbound routes between Asia and Europe - Maersk Line is now working to break from the carrier's historical strategy of tying a great part of its container business to long-term, typically one-year, customer contracts. Instead the carrier plans to increase its exposure to the short-term spot market in an effort to boost its profit on the world's busiest container route, according to several market sources ShippingWatch has spoken to.