https://apnews.com/1b95aee63ec9e9a08ee224f6a4879008 > CHARLOTTE, N.C. (AP) — Stock trading app company Robinhood said Tuesday that it has submitted a confidential plan to go public later this year. > The company based in Menlo Park, California, filed the paperwork with the Securities and Exchange Commission while at the center of a battle between online activist retail investors and institutional investors over companies such as GameStop and AMC Entertainment. Robinhood had to restrict trading of those companies earlier in the year, and has been subject to congressional investigations.