High-rolling investors have positioned themselves bullish on Ciena (NYSE:CIEN), 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 CIEN often signals that someone has privileged information.Today, Benzinga's options scanner spotted 21 options trades for Ciena. This is not a typical pattern.The sentiment among these major tr ...