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Earlier this week, AstraZeneca's widely used cholesterol-lowering drug Crestor was approved by the U.S. Food and Drug Administration for use in people with normal cholesterol to prevent heart attacks and strokes. The approval could lead to a much bigger market for Crestor, but has also led to a number of critics questioning the decision.

After another sell-off day, investors are no doubt jittery, but at some point the market will have to find a bottom. In the meantime, many continue to build positions in stocks they deem are cheap, defensive or have the growth potential to come out of the recession strongly. Here are some ideas...