Zynga is one of Facebook's most important friends

ByVlad Deshkovich:Zynga (ZNGA) has been creating casual games since its inception. Leveraging the Facebook platform that it was born on, Zynga was able to provide its content to a huge number of people on the social network. Memorable titles like Farmville served to catapult the stock to as high as $14.69. Investor sentiment has waned, however, and the stock is now worth a measly $3.17.

By Saibus Research:We are disappointed to see Zynga (ZNGA) struggle because we used to be huge fans of the company's games on Facebook. We used to be huge fans of the Mafia Wars game and because there were so many people who were playing that game as well as its other recognized games like Farmville and Texas Hold 'Em Poker (Zynga Poker), we made it a point to analyze and evaluate the company's IPO.

Shares of online social game maker Zynga plunged 13.3 percent and triggered a trading halt Friday as Facebook's IPO fell flat with investors.Shares in Zynga, which makes popular games used on Facebook and other platforms, were halted at $7.17, near where they started at the beginning of the week before a strong climb ahead of Facebook's market debut.Shares of other popular social media companies like Pandora, LinkedIn, and Groupon also tumbled with the Facebook listing: Pandora was off 5.2 percent, LinkedIn 1.2 percent and Groupon 5.6 percent.

On June 14, Electronic Arts and Maxis will be shutting down several Facebook games, EA announced in a blog post on its web site.

By Zacks Investment Research: After reporting lackluster fourth quarter results, hurt by higher game development costs, social game maker Zynga Inc. (ZNGA) is gearing up to turn publisher, much akin to its closest competitor Electronic Arts Inc. (EA).

By Illuminati Investments: As a dyed-in-the-wool value investor, I never thought I'd be recommending a social media stock, but mobile gaming leader Zynga (ZNGA) has gotten too cheap to ignore.

Renewed interest in social networking companies was led by an earnings report by Facebook (FB); companies like LinkedIn (LNKD) and Zynga (ZYNGA) rose. Yet when a word cloud of Facebook's quarterly conference call is visualized, danger lurks ahead for Zynga.

By James Stocklasar Thomas Jr.:Zynga (ZNGA), the social gaming firm, looks to be on the right side of the equation. This may be one of those rare moments to jump on a great buying opportunity.