Caterpillar's share price did take a little hit in 1991, but since 1994 it has risen steadily.
Caterpillar's stock price went up  in 1991.
mnli hypothesis: Caterpillar's stock price went up  in 1991. premise: Caterpillar's share price did take a little hit in 1991, but since 1994 it has risen steadily.