Friday's Tech Winners & Losers

Updated from 2:50 PM EST with new stock prices

Tech stocks were subdued Friday despite an unsolicited bid for Yahoo by Microsoft. Meanwhile the broader market indices struggled with mixed economic news including data about manufacturing and jobs.

Shares of YahooYHOO soared 48% after MicrosoftMSFT moved to acquire the company for $31 a share in a cash-and-stock offer valued at about $44.6 billion.

The offer represents a 62% premium above Yahoo's Thursday closing price of $19.18. Yahoo's stock was up $9.20 to $28.38. Shares of Microsoft fell $ 2.15, or 6.6%, to $30.45.

MotorolaMOT gained $1.19, or 10.4%, to $12.69 after the company set a quarterly dividend of 5 cents a share and said it is considering selling its cellphone business. The shares were also upgraded from hold to buy by an an analyst at Citigroup.

Digital infrastructure company VeriSignVRSN added $1.93, or 5.7%, to $35.85 after the company beat analysts' expectations for the fourth quarter but reported a wider loss from a year ago because of a write-off in its digital content and messaging business.

Net loss for the quarter was $196 million, or 88 cents a share, and included a non-cash impairment writeoff of $210 million. A year ago the company reported a loss of $29.5 million, or 13 cents a share.

Excluding the charge, VeriSign reported net income of $69.83 million, or 30 cents a share, compared with $58.72 million, or 24 cents a share a year ago. Revenue for the quarter fell to $386.43 million from $408.63 million a year ago.

Analysts polled by Thomson Financial were expecting revenue of $380.8 million and EPS of 29 cents.

GoogleGOOG shares sank $48.40, or 8.6%, to $515.90, a day after the company reported results that were below the Street's expectations.

Net income for the quarter rose to $1.21 billion, or $3.79 a share, from $1.03 billion, or $3.29 a share, a year ago. Excluding charges, Google earned $1.41 billion, or $4.43 a share. Analysts were expecting $4.44 a share.

Revenue increased 51% to $4.83 billion from $3.21 billion a year ago. Adjusted for traffic acquisition costs, revenue was $3.39 billion, lower than analysts' expectation of $3.45 billion.

AmazonAMZN gave up some of its gains from Thursday and was down $3.07, or 4%, to $74.63, a day after the company said it will buy digital audio content provider AudibleADBL for $300 million.