Dow Movers: CAT, CRM

In early trading on Tuesday, shares of Salesforce.

Om topped the list of the day's best performing Dow Jones Industrial Average components, trading up 3.5%.

In early trading on Tuesday, shares of Salesforce.

Om topped the list of the day's best performing Dow Jones Industrial Average components, trading up 3.5%.

Year to date, Salesforce.

Om registers a 54.0% gain.

And the worst performing Dow component thus far on the day is Caterpillar, trading down 2.7%.

Caterpillar is showing a gain of 7.5% looking at the year to date performance.

Two other components making moves today are MMM, trading down 2.2%, and Merck, trading up 1.1% on the day.