<p>FILE - In this Friday, May 18, 2012 file photo, electronic screens show the price of Facebook shares after they began trading in New York. A flood of analyst reports from the banks that led Facebook's initial public offering gave the company's stock a mix of "Neutral" and "Buy" ratings on Wednesday, June 27, 2012 The day marks the end of a 40-day quiet period following the IPO, during which the underwriters aren't allowed to issue ratings. (AP Ph…

June 28, 2012