High-rolling investors have positioned themselves bullish on MGM Resorts Intl (NYSE:MGM), and it’s important for retail traders to take note.\This activity came to our attention today through Benzinga’s tracking of publicly available options data. The identities of these investors are uncertain, but such a significant move in MGM often signals that someone has privileged information. Today, Benzinga’s options scanner spotted 8 options trades for MGM Resorts Intl. This is not a typical pattern. The sentiment among these major traders is split, with 37% bullish and 37% bearish. Among all the opt…