    sentence 1: US. corporate. bond yeld spreads  spenied tighter ‘overall on Tuesday “but tobacco:  company, bonds widened “significantly ‘after ‘an  adverse legal ruling on Philip Morris USA -    Sentence 2: US. corporate Bond yield spreads  ended mostly. tighter ‘amid slumping Treasuries.  on Tuesday, while” bonds of: tabacco. firms  widened: significantly after an. -adverse legal  _tuling on Philip Morris USA-.