Unusual Activity: Salesforce.com

Bulls log onto Salesforce.com

"Halftime Report" trader Pete Najarian spotted some unusual options buying today - with someone expecting future upside in shares of Salesforce.com.

This buyer first made their trade by selling out of April 72.50 calls after making a previously incorrect bet on stock. They then pushed their bullish bet further into the future by buying May 75 calls.

Pete Najarian is going along for the ride, buying the May 75 calls, and plans to hold them for around one month.