Tech Five: Zynga plunges off weak earnings

It's an ugly morning on Wall Street for social games company Zynga. Let's look at the five technology stocks to watch as we close out the week:

Zynga. Shares sunk more than 12% in pre-market trading after reporting a wider loss in the fourth quarter and offering a disappointing first-quarter outlook. Zynga reported a fourth-quarter loss of $45 million, higher than the loss reported during the same time last year. Also, Zynga forecast first-quarter revenue between $155 million and $165 million, missing forecasts.

Groupon. Shares of the daily-deals site slipped 1.7% in early trading after its forecast for the first quarter missed Wall Street expectations. According to Reuters, Groupon forecast revenue as high as $840 million, short of the $856.14 million predicted by analysts.

King. Not every tech company is losing on the markets. Candy Crush Saga maker King's stock surged 21% after toppings adjusted earnings estimates by 10 cents, reports Marketwatch. The company also announced a dividend of 94 cents that will be paid out to shareholders on March 24.

Google. The tech giant is teaming up with Mattel to create a virtual-reality version of the classic View-Master. The new viewer will cost $29.99.

LinkedIn. The social network for professionals is tightening restrictions on its developers platform. Mashable reports the move is being made to weed out inferior third-party LinkedIn products.

Follow Brett Molina on Twitter: @brettmolina23.