GameStop's pivot to the trading card market signals high-growth potential. Click to read why I'm upgrading GME to a Buy and ...

Scott Rubner, Citadel Securities' new head of equity and equity derivatives strategy, expects "robust" retail trading flows ...

He's a regular tracker of volatility control funds - "vol control" - or strategies used increasingly by big institutions such as pensions and longer-term endowment funds to keep risk on an even keel.

Key Takeaways GameStop posted a surprise profit but continues to lose revenue in core retail.The company is shifting into ...