“Citing concerns about about Google‘s plan to spend $12.5 billion to buy Motorola Mobility, Standard & Poor’s analyst Scott Kessler today cut his rating on the search engine’s stock to Sell from Buy, slashing his price target on the stock to $500, from $700,” Eric Savitz reports for Forbes.

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Savitz reports, “GOOG today is down $20.47, or 3.7%, to $536.76; the stock is now down 4.8% since announcing the deal Monday morning. Or think of it this way: Google’s market cap has been trimmed by $8.7 billion in the last two days, suggesting serious doubts among investors about the company’s strategy.”

Read more in the full article here.