admorgan stanley accused setting the ipo price too high and selling too many shares while hiding information from the public that facebook's business was not as strong as they expected. twists and turns to this story. shibani joshi following this from fox business. shibani? >> reporter: welcome to life in the big leagues. four days as public company and facebook has seen its wild shares of stock swings and sec and finra also saying within the last 24 hours they will institute regulatory review over the whole ipo process at facebook. and now a class-action lawsuit. shareholders turning against the social media company and top investors including facebook's mark zuckerberg, the company's cfo, a handful of inside investors including peter teal and others. morgan stanley and gold man saks say all the entities hid these with ahead of ipo