Wall Street has been consumed this week watching a real-time battle unfold between retail investors and hedge funds over formerly moribund stocks like GameStop, AMC Entertainment, and BlackBerry.

Aaron Nicodemus is the Editor-in-Chief of Compliance Week. He previously worked as a reporter for Bloomberg Law and as business editor at the Telegram & Gazette in Worcester, Mass. Email: aaron.nicodemus@complianceweek.com LinkedIn:...