During the "Lightning Round" segment of Mad Money Thursday night, one caller asked Jim Cramer about BJ's Wholesale Club (BJ) : "This is an incredible stock. That was a terrific quarter. I'm a Costco (COST) guy, though."
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You cannot know for sure what will happen on Nov. 3 -- or in the weeks after -- so here's what to do instead of guessing.
The simple fact is you'll rarely call tops or bottoms but recognizing trends and changes in trends is a key to survival.