Deep-pocketed investors have adopted a bearish approach towards Amgen (NASDAQ:AMGN), and it's something market players shouldn't ignore. Our tracking of public options records at Benzinga unveiled this significant move today. The identity of these investors remains unknown, but such a substantial move in AMGN usually suggests something big is about to happen.

We gleaned this information from our observations today when Benzinga's options scanner highlighted 10 extraordinary options activities for Amgen. This level of activity is out of the ordinary.

The general mood among these heavyweight investors is divided, with 10% leaning bullish and 60% bearish. Among these...