Shares of GameStop Corp. Cl A shed 2.39% to $15.92 Wednesday, on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index remaining mostly unchanged at 5,187.

GameStop shares experience a rollercoaster ride, surging 51% before dropping 13% amidst high trading volumes and no company-specific news.

Shares of GameStop Corp. Cl A were unchanged Tuesday, on what proved to be an all-around favorable trading session for the stock market, with the S&P 500 Index rising 0.13% to 5,187.70 and the Dow Jones Industrial Average rising 0.