Quite possibly! ..and anyone whom sold these extra shares, thinking they scored big on this mistake and that the broker's will be responsible, are not only sadly mistaken but will also be responsible for returning them! Thus GRDO could see a squeeze of astronomical proportions.
*Ofcourse the other option is that it was a simple typo/mistake. lol
Today was a pretty big sell-off though, it seems things aren't crystal clear here just yet! So use your best judgement on this one imo. A lotto with super potential for those with balls though perhaps?!! ;)