The trade market is getting heated up as the social networking companies come i and take leads in the share market. The social networking companies include Face book,Twitter ,Zynga and Linked In and one thing is none of the companies are listed in Public stock exchange. US Securities and Exchange Commission(SEC) are curious to know about the business of these stock trades involved with these four companies. Information requests have been sent by the SEC to these four companies so as to reveal the buying and selling details.

Each month the number of private exchanges are going up of these fast growing companies over last year said reports. To buy these companies firms Wall Street Brokerage firms have started an investment pool even and the networking site has heated it up. Several hundreds of millions of dollars are generated by these revenues by the social networking sites like Facebook , Zynga and Twitter. In the venture financing Twitter has earned about $200 million and has 150 million users and is named as “Twitter funds.

These shares are sold by the former employees of these four companies and are in their early stage to venture the capital. The buyers are in the second trading market come from a wealthy background and look for investment from Apple,Google or Microsoft. The leading trading exchange ,SecondMarket is handling the securities and will be executing about $400 million in trades which involves 40 companies. SecondMarket last month trade and auction of face book shares which is approximately abot $40 million and actively traded. The firms are getting involved so as to get blocks of stocks and investors are put into substantial risk stated Felix investments.