Microsoft's $44.6 billion offer to buy Yahoo has markets moving. Yahoo share prices closed at $19.12 yesterday, but have already increased to $29.45 in premarket trading. Microsoft shares have remained around $32. The morning brings more bad news for Google shareholders. After missing fourth quarter expectations, Google share prices dropped yesterday afternoon and even further on this morning's news, from closing price of $564.30 to $517. (Photo by epicharmus)

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