AMC

Gamestop's (GME) stock is up by more than 9% in Thursday midday trading, after it was halted four times for volatility.

The meme stock went up more than 20% during morning trading, according to a CNBC report.

During Wednesday trading, the meme stock also fell by at most 13% on Wednesday.

Another meme stock, that of theater chain AMC Entertainmemnt Holdings, (AMC), is up also more than 7% during midday trading.

It rose as high as 18% in morning trading, CNBC reported