Updated from 7:01 a.m. ESTAfter a historic 1,200-point rally last week, investors and traders alike should approach this week with caution. Value plus snapback potential equals opportunity. Every week, I share my snapback ideas in my Rockets Stocks portfolio. Even after last week's move, this week's portfolio offers some very interesting snapback ideas, including Enzon ( ENZN) and Foster Wheeler ( FWLT). To read more, please click here.