The Law Offices of Vincent Wong are investigating potential claims against the Board of Directors of GFI Group Inc. (NYSE:GFIG) (“GFI”) in connection with the sale of the Company to Chicago Mercantile Exchange Group Inc. (“CME”). Click here to learn about the case: http://docs.wongesq.com/GFIG-Info-Request-Form-331. There is no cost or obligation to you. Under the terms of the transaction, GFI shareholders will receive $4.55 worth of CME Class A common stock for each share of GFI common stock they own. The investigation concerns whether the Board of GFI breached their fiduciary duty to stockholders by failing to adequately shop the Company before agreeing to enter into this transaction, and whether CME is underpaying for GFI shares. If you own common stock in GFI and wish to obtain additional information, please contact Vincent Wong, Esq. either via email email@example.com, by telephone at 212.425.1140, or visit http://docs.wongesq.com/GFIG-Info-Request-Form-331. Vincent Wong, Esq. is an experienced attorney that has represented investors in securities litigations involving financial fraud and violations of shareholder rights. Attorney advertising. Prior results do not guarantee similar outcomes.