A GameStop location in New York, Dec. 23, 2021.A GameStop location in New York, Dec. 23, 2021.

There was a lot of trading in the shares on Tuesday.

There were more than 8 million shares traded through 10:30 a.m. The 30-day average full-day volume of the station is just over 4 million.

AMC Entertainment shares lost 4% with almost 100 million shares traded, doubling its 30-day average.

The reason for the moves was not immediately clear, but both stocks are up big this month, so some investors could be using that pop to take profits in the volatile shares.

There is a chart.

Line chart with 471 data points.The chart has 1 X axis displaying Time. Range: 2022-03-28 09:30:00 to 2022-03-29 10:53:00.The chart has 1 Y axis displaying values. Range: 150 to 210.Created with Highcharts 9.0.110:00 am11:00 am12:00 pm1:00 pm2:00 pm3:00 pmMar 29150160170180190200210cnbc.comEnd of interactive chart.chart logo

There were some large block trades on the New York Stock Exchange. There were two trades of more than 20,000 shares outside of the open.

The stock market briefly halted both of them after the open as the stocks dropped.

Loyal retail investors kept pushing up the shares and the duo just had a strong week. The video game retailer's shares rallied a whopping 67% last week as traders got a vote of confidence when chairman Ryan Cohen bought additional 100,000 shares.

AMC saw a 28% gain last week after it was revealed that it was going to buy a gold miner. Many Wall Street strategists were confused by the move to take a significant stake in the gold miner.

This is not a finished story. You can check back for updates.