High-rolling investors have positioned themselves bearish on SLB (NYSE:SLB), 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 SLB often signals that someone has privileged information.Today, Benzinga's options scanner spotted 14 options trades for SLB. This is not a typical pattern.The sentiment among these major traders ...