Remember the children's story about the chicken who said the sky was falling? Investors are starting to wonder whether or not it applies to Apple (AAPL 1.27%). A company that was arguably one of the best stocks to buy last year now looks like a shadow of its former self, and has investors worrying, like the fabled chicken, that the end might be near. Since last September, Apple stock has plummeted from $700 to below $400.

What's going on here? Why does Apple continue to drop? Fellow Fools like Tamara Rutter have been making strong stock arguments for buying into the company.

In the video below, Fool contributor Caroline Bennett examines whether the market is going crazy for no reason, or whether Apple is in fact no longer one of the best investments on Wall Street today.