Shares of United Parcel Service (UPS) sank 10% in premarket trading Thursday after the shipping giant reported worse-than-expected fourth-quarter results. The company reported net income of 1.72billion,or2.01 per share, on 25.3billioninrevenue.Analystshadexpectedprofitof2.14 billion, or 2.51pershare,onrevenueof25.35 billion, per Visible Alpha. After stripping out 639millioninchargesthatweremostlyrelatedtopensions,UPSreportedadjustedearningspershare(EPS)of2.75, ab ...