** Shares of air compressor maker Ingersoll IR.N fall 4.7% to $77.40 after co forecast a weak annual profit, citing tariff pressures

** Co expects full-year adj. EPS between $3.45 and $3.57 vs analysts' estimates of $3.52, per LSEG data

** The Trump administration's import tariffs on key raw materials such as steel and aluminum have prompted businesses to reconsider strategies

** The weak forecast overshadows Q1 adj profit beat of 77 cents/shr vs an estimate of 74 cents, though adj core profit margin fell to 25.4% from 26.8% a yr earlier

** Including session's moves, IR shares down 2.4% YTD