GameStop stock soared Thursday after “Roaring Kitty,” the originator of the meme stock frenzy, scheduled a YouTube live event for Friday. The livestream is scheduled for June 7 at 12 p.m. ET ...

The Roaring Kitty YouTube channel, which has more than 700,000 subscribers, revealed that Gill has scheduled a June 7 livestream. The post sent GameStop's stock price, which trades under the ...