11.   Aside from inducing regular bouts of frightening volatility, they argued, the rule would have a chilling effect on communications between companies and analysts.

12.   At the political level, the Clinton administration is pushing for legislation that would free the FAA from federal procurement rules it says have snarled air traffic control improvements.

13.   But he doubts the rules will have much effect.

14.   But some in the industry said the new rule would have little impact.

15.   But that rule sometimes has the opposite effect, analysts say.

16.   But the rule has several loopholes.

17.   But they say that mandatory government rules have yet to be justified.

18.   But Tom Prendergast, the president of the LIRR, said the rule might have an effect on the schedules on outlying lines.

19.   But the rules could also have an effect on Ford of Europe and the Adam Opel subsidiary of General Motors.

20.   But then golf is a game in which just about every rule has an exception.