The shares of United Parcel Service Inc. UPS fell 3.4% on Tuesday in premarket trade after the package delivery company reported a first-quarter profit which was on par with expectations, but revenue that was a little short and reduced its outlook for the full year. The net income dropped to $1.90billion, or $2.19 per share, from the $2.66billion, or $3.03 per share, of the previous period. The FactSet consensus for adjusted earnings per share was $2.20, excluding nonrecurring items. The company’s revenue fell 6.0%, to $22.93billion, which was just below the FactSet estimate of $22.99billion. U.S. domestic packages revenue declined 0.9% and international package revenues…