AMC Stock Jumps Nearly 15% as Retail-Fueled Rally Stretches to Another Week

Carlo Allegri | Reuters

AMC Entertainment, the meme stock that amazed Wall Street recently, rallied double digits on Monday as speculative trading activity in the struggling movie theater gained steam.

Shares of AMC jumped as much as 25% Monday, following an 80% rally in the previous week. AMC has dethroned GameStop to become the star on the infamous WallStreetBets forum on Reddit, with retail traders encouraging each other to pile into the shares and call options.



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AMC Shares closed 14.8% higher at $55 on Monday.

A call option is an instrument that gives an investor the right to buy a stock at a stated price within a particular time frame.

AMC has gained more than 110% in June alone after a 160% advance in May, pushing its 2021 rally to nearly 2,500%. The stock has far surpassed its January high amid the GameStop trading mania, hitting an intraday record of $72.62 last week.

Other meme stocks also traded higher Monday as momentum built. Bed Bath & Beyond advanced 7.2%, while BlackBerry popped 13.8%. GameStop gained 12.7%.

Amid the wild trading, TD Ameritrade said Sunday it increased margin requirements on AMC and GameStop to 100%, meaning investors are required to purchase all the securities with cash. The brokerage firm said it may also implement additional requirements on opening trades on AMC options that expire on Friday.

"#NakedShorts" and "#NakedShorting" were trending Monday on Twitter as well as over the weekend, referring to the elevated short interest in AMC. Naked shorting is the illegal practice of short selling where a stock's short interest may be larger than the tradable shares in the market sometimes due to discrepancies between paper and electronic trading systems.

AMC has around 18% of its float shares sold short, versus about 5% for an average U.S. stock, according to data from S3 Partners. Short sellers betting against AMC suffered $2 billion in losses last week, S3 data showed.

The Securities and Exchange Commission said Monday it's keeping a close eye on the wild trading to determine if there have been "any disruptions of the market, manipulative trading, or other misconduct."

"It is extremely tempting to short these stocks, but unless you have huge liquid resources, please try to resist the temptation because these prices can go to unimaginable highs before they settle down to a reasonable valuation, and you may have to cover on the high point," Interactive Brokers Chairman Thomas Peterffy said Monday on CNBC's "Squawk Box."

"On the long term, stocks always approach their fundamental values, which in this case is much, much lower," Peterffy added.

AMC took advantage of the massive rally last week, selling 20 million shares in two separate deals and generating around $800 million in cash. CEO Adam Aron has signaled he wants to sell up to 25 million more shares.

— CNBC's Kevin Stankiewicz contributed reporting.

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