Does the Apple stock plummet from yesterday equal a buying opportunity?

Apple stock (AAPL) dropped nearly 18% yesterday, reaching their lowest level in over a year. The tumble came after RBC Capital Markets analyst Mike Abramsky and Morgan Stanley analyst Kathryn Huberty each cut their ratings on Apple’s stock in anticipation of slower earnings growth for the current quarter and fiscal year. They believe the continuing downturn in the economy will see fewer consumers spending the premium for Macintosh computers, and will instead focus on the sub $1,000 PC market, which Apple currently avoids.

But, if you have plans to call your analyst today, it may be wiser to buy, than to sell, according to Computerworlds Seth Weintraub.