Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Shares of GT Advanced Technologies (Nasdaq: GTAT) experienced a power outage today and fell 11% after the company reported earnings.

So what: Revenue rose 30% to $353.9 million and the company reported a profit of $79.1 million, or $0.69 per share, but it wasn't enough. Analysts had expected revenue to be $393.5 million and earnings per share of $0.71.

Now what: Guidance of $1.30 to $1.40 in earnings also fell below estimates, but let's take a step back here. Despite the incredible oversupply of solar products in the market GT is still making a profit and shares are now trading at an absolutely ridiculous 3.4 times earnings at the top end of guidance. Also consider that the company had $350.9 million in cash and $75 million in debt to end the quarter. This is a screaming buy in my eyes.

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