Stocks making the biggest moves premarket:

$ASTRAZENECA PLC (AZNCF.US)$
— Shares of the British pharmaceutical company gained more $Wayfair (W.US)$ than 2.7% in premarket trading after the company reported positive results for its drug Dato-DXd in a trial for treating a common type of breast cancer.
$Wayfair (W.US)$
— Shares gained more than 2% after Bernstein upgraded home merchandiser to market perform from underperform. The firm cited improving revenue growth and margin commentary.
Chinese e-commerce stocks — U.S. listed shares of $Alibaba (BABA.US)$ and $PDD Holdings (PDD.US)$ added nearly 4% in premarket trading, while $JD.com (JD.US)$ rose 3.3%. Bloomberg reported that China is considering easing rules that cap foreign investment in domestic publicly traded companies.
$Seagen (SGEN.US)$
— Shares of the biotech firm rose nearly 4% in premarket trading after the company reported positive topline results from a clinical trial of treatment for patients with previously untreated bladder cancer. The results showed the treatment improved both overall survival and progression-free survival, compared with chemotherapy.
$Deere (DE.US)$
— The tractor manufacturer fell around 1% after Canaccord Genuity downgraded shares to hold from buy, citing slowing growth for large agricultural equipment and normalizing dealer inventories.
$Arm Holdings (ARM.US)$ — Shares of the chip designer added 1.3% during premarket trading. The stock jumped nearly 25% during its public trading debut but is now trading just above its $51 IPO price. Susquehanna initiated a neutral rating on the company in a Friday note.
$Charter Communications (CHTR.US)$
– Shares gained about 2% after Wells Fargo upgraded Charter Communications to an overweight rating, saying that its mobile roll-to-pay offering and rural growth should contribute to accelerating EBITDA and free cash flows.
$Ralph Lauren (RL.US)$
— The clothing brand's shares ticked up nearly 1% after Raymond James initiated an overweight rating in a note Thursday evening. Analyst Rick Patel forecasts 20% upside potential from where shares closed on Thursday.
$YETI Holdings (YETI.US)$
— Shares gained about 3% in the premarket. Jefferies on Friday called Yeti a "best-in-class" favorite in drinkware, even as the market expands to new entrants.