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

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

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.