Union Pacific Gets A Buy Rating. High Fuel Costs Make It An Attractive Shipping Option.

UBS upgraded Union Pacific (UNP) to a buy rating Wednesday, expecting another year of strong volume growth. Also, a potential merger with Norfolk Southern (NSC) could support an "attractive upside." The upgrade comes as surging fuel prices reverberate across the transportation sector, benefiting railroads while hurting some truckers. Analysts led by Thomas Wadewitz upgraded the stock to buy from neutral…