According to the ETF Finder at ETF Channel, MPC makes up 4.03% of the Dynamic Energy Exploration & Production Portfolio ETF ( PXE) which is trading lower by about 1.6% on the day Wednesday.
Cramer says Salesforce and Facebook are worth buying and he's optimistic about Cimarex Energy.
The market's an Energizer bunny and it's been a remarkable five weeks, Cramer says.
Here are Wednesday's top research calls, including upgrades for Best Buy, Marathon Petroleum and 3M, and downgrades for Humana and Kellogg.
Shares of this oil refiner could be poised for gains in the months ahead, thanks to pressure from an activist investor.