According to Odaily, GameStop (GME.N) has experienced a 9.75% drop, erasing all its pre-market gains. This significant decrease is reportedly due to the potential sale of up to 75 million Class A shares. The sale of such a large number of shares could have a substantial impact on the company's stock value. However, it is important to note that this information is based on reports and has not been officially confirmed by GameStop. Further details about the potential sale and its impact on the company's stock value will be provided as more information becomes available.