Independent analysts who deploy ‘channel checking’ are striking back at federal prosecutors bent on painting so-called expert networks as a form of insider trading. What they believe is honest and difficult work is being branded the same as Ivan Boesky’s shenanigans.

Doug Thomas of JET Investment Research placed this mocking disclaimer on the top of his latest research note on Wabtec , a maker of brakes, switchers and other equipment for the rail industry. It has to be presented in its complete form to be fully appreciated: