Cramer explains why a "yes" vote in Sunday's referendum would hurt Greece long-term.
Cramer believes in active money management, staying nimble and flexible to always keep your money working for you and not against you.
Cramer says Corning is a disappointment, Greif will give you grief and take Edwards Lifesciences over Intuitive Surgical.
Cramer says ConforMis has the kind of disruptive technology that makes America great while Paychex is a great story that will get better when interest rates rise.
When you own stocks there are always risks, but some days seem a lot darker and scarier than others, Cramer says.