Dow slips while GameStop and others continue to soar

By Anneken Tappe, CNN Business

    (CNN) -- It has been a crazy week on Wall Street -- and Friday trading is only just getting started. GameStop soared some 100% at the opening bell, after trading platforms including Robinhood lifted restrictions on trading the stock.

The stock was up some 60% mid-morning.

Meanwhile, the three major stock indexes opened modestly lower Friday, before briefly accelerating their losses.

The Dow tumbled more than 400 points at its low point and was down 0.5%, or 165 points mid-morning. The broader S&P 500 dropped 0.3%. The Nasdaq Composite was down 0.1%.

It's been a messy week for the three benchmarks, including all-time highs for the S&P and Nasdaq on Monday, which was also the worst day since October for the Dow.

GameStop is not listed on those indexes. But it is a constituent of the Russell 2000 index, which includes only smaller stocks. On Thursday, the video game retailer became the index's largest company by market capitalization for the first time. The Russell was up 0.5% mid-morning Friday.

GameStop became the hottest stock in the market out of nowhere this week after retail investors chatting on Reddit pushed its price up, orchestrating a massive short-squeeze. This means investors who were shorting the stock -- betting that its value would go down -- were caught in a pickle when the stock suddenly skyrocketed.

Other companies, including cinema chain AMC, got in on the action, too. Its shares rose some 50% on Friday.

Trading platforms and brokers faced outages on multiple occasions this week and placed restrictions on trading many of the "Reddit stocks." Some of them, most notably Robinhood, have since reversed that decision.


What does it all mean for the market?


It might be a while until the full effect of this Reddit bonanza will be clear. But one thing is for sure: The Pandora's box of social media investing has been opened and we won't be able to close it again, Sam Stovall, US equity strategist at CFRA Research, told CNN Business.

It's not GameStop itself that matters in this scenario -- it's more about how the company's stock rally exposed flaws in the system, said Brad McMillan, chief investment officer at Commonwealth Financial Network.

"One of the things i think was revealed was a mispricing of call options. I think you're going to see their price go up to reflect this," he told CNN Business.

Call options give investors the right to buy stocks at a predetermined price in a specific window of time in future.

The surge in GameStop and other struggling companies triggered a worry that the retail buying spree could lead to a collapse of the hedge funds shorting those stocks, Stovall said. Suddenly that worry is systemic.

Earlier this week, Citadel, the massive hedge fund owned by Ken Griffin, provided a $2 billion bailout to GameStop shortseller Melvin Capital Management after it was caught on the wrong end of the stock move.

"Today is the margin day, so companies have to put up what they owe," Stovall said. Margin debt, the money investors can borrow to fund their purchases, has gone up very substantially in the last month, McMillan said.


In other news...


More than just the GameStop-mania has got the market down Friday.

"We entered this final week of January rife for a setback," Stovall said.

Delays in vaccine distribution, ongoing political discord that could be a hurdle to the Biden administration's proposed $1.9 trillion stimulus package and earnings season also had investors on their toes.

The-CNN-Wire
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