Siebert Financial spikes over 100% on record trading volume Will DanielJan 30, 2021, 02:52 IST Wall Street Bets users have driven up the GameStop stock priceREUTERS/Dado Ruvic/Illustration/File Photo Siebert Financial saw its share price rise as much as 395% from Thursday's close on Friday before paring gains. While there was no clear reason for the move, some reports have suggested the company is yet another target of the WallStreetBets crowd. volume on Friday of over 27 million shares. Shares of Siebert Financial skyrocketed over 100% on Friday amid a spike to record volume. More than 27 million shares have traded hands on the day, easily surpassing the three-month daily volume average of 24,653 shares.