United Parcel Service Inc. raised its offer for TNT Express NV by 5.6 percent to 5.16 billion euros $6.8 billion to secure the biggest deal in the U.S. company’s 105-year history and challenge Deutsche Post AG. Olivia Sterns and Maryam Nemazee report on the acquisition on Bloomberg Television’s “On the Move.” Source: BloombergEnlarge image UPS …