Stock futures were mixed Thursday and bonds tumbled as Federal Reserve Chairman Jerome Powell reiterated the central bank's commitment to supporting the economy.
Here are some of the top movers during premarket trading on Thursday.
1. GameStop GME | Up 64%
The videogame retailer at the center of last month's Reddit-fueled buying frenzy more than doubled to close at $91.70.
TheStreet's founder, Jim Cramer, argues in his RealMoney.com column that the moves could be linked to action in the options markets.
2. AMC Entertainment AMC | Up 15%
3. Moderna MRNA | Up 3.6%
Moderna (MRNA) - Get Report stock traded higher even after the company reported a wider-than-expected fourth-quarter loss. Sales were almost double the estimates as it continued to forge ahead with the rollout of its COVID-19 vaccine.
On Wednesday, Moderna said it had made the initial doses of a new COVID-19 vaccine designed to better protect people against the South Africa strain and shipped them to the National Institutes of Health to start a clinical trial.
4. Wayfair W | Up 0.7%
5. Teladoc Health TDOC | Down 6.6%
6. Best Buy BBY | Down 8.1%
7. Plug Power PLUG | Down 5.7%
Shares of Plug Power (PLUG) - Get Report slipped after the hydrogen fuel cell company reported a much wider-than-expected fourth-quarter loss and swung to negative revenue, but reported gross billings that beat analysts' expectations.