In a bit of unexpected news, mobile game publisher Glu Mobile filed an S-1 registration form with the U.S. Securities and Exchange Commission proposing an initial public offering (IPO) of shares of its common stock. The number of shares to be offered and the price range for the offering has not yet been determined, however the stock will be listed on the Nasdaq and the symbol will be GLUU. The company hopes to raise $92 million. Goldman Sachs will act as the sole book-running manager for the offering, while Lehman Brothers Inc. will act as co-lead manager. Article