Crypto stocks among Monday’s biggest premarket movers

These are some of the stocks making the biggest moves before the bell:
Crypto stocks — Stocks connected to cryptocurrencies rose as Bitcoin hit a fresh record high and topped $71,000. Coinbase and Microstrategy rose about 6% and 8%, respectively. Marathon Digital also rose 6%.
$PDD Holdings(PDD.US)$
— U.S.-listed shares of the Chinese ecommerce company added 4.5% following an upgrade by Jefferies to buy.
$Duolingo(DUOL.US)$
— Duolingo shares rose more than 1% after JPMorgan initiated coverage of the online learning platform with an overweight rating, citing expectations for “premium” revenue growth.