Dow Component Caterpillar plunges after the company's earnings, forecast fall short of expectations

- Caterpillar reports disappointing quarterly earnings but revenue exceeds expectations.

- Caterpillar's guidance for 2019 profit was weaker than expected.

Caterpillar stock skidded Monday after the company reported earnings that were sharply lower than expected and guidance that was much weaker than expected. Shares fell more than 7 percent, dragging stock futures with it.