$GameStop (GME.US)$ options market popped, tracking gains in the underlying stock after meme stock guru Keith Gill, known as "DeepF------Value" on Reddit posted on the social media platform his holdings. $AMC Entertainment (AMC.US)$'s options trading also surged.
The post on Reddit's /r/Superstonk forum showed a screenshot of a position of 5 million GameStop shares, which was worth $115.7 million. It also had call op...