They later fell to the lower
end of their trading band so far this year, after the retraction of President Trump's health care reform legislation magnified concerns that planned tax reforms might face similar problems.
The perception is perhaps unfair, based as it is on a small, activist - minded
band, but it goes back to Adam Smith's remark about producer interests: «People
of the same
trade seldom meet together, even for merriment and diversion, but the conversation
ends in a conspiracy against the public.»