    Sentence. 1: Blue chips “édged-‘lowerby  “midday:-o1: “Wednesday ‘as. a':wave of  ’ profit: wariiings®: drained’ some of the  optimism’ that ‘lias driven.a: rally over  the'past thiee months».    Sentence 2:-U:S. stocks. fell. in early,  morning’ trade:on Wednesday: as ‘a Wave.  of. profit wartiings ‘draitied some of the  optimism ‘that’ has, ‘driver a rally « over:  the past three. inonths-.