In the world of shipping, Truckload carriers are reporting the largest rate increases, according to an article published in The Journal of Commerce. Spot market and broker rates are leading contract truck pricing, according to TransCore Freight Solutions. In the first quarter of 2011, dry van rates on the spot market jumped 8.1 percent nationwide, an increase of ten cents per mile, TransCore said. Despite higher freight demand, industry experts say it is unlikely that carriers will begin adding capacity in a a battle for market share. Most carrier executives would first need to see a a stonger period of sustained growth, less volatile operating costs, and a more certain regulatory environment. Truckload carriers are already “reserving” tractor-trailers for their best-priced freight.