Premarket movers: Under Armour, Walmart, AMC, GameStop, Canada Goose and others

Check out the companies making headlines in premarket trading.

The sportswear manufacturer's Class A shares dropped 11% and its Class C stock fell 9% following the release of lower-than-anticipated full-year earnings guidance. Now, Under Armour anticipates earnings between 18 cents and 21 cents, which is lower than the 59 cents forecasted by analysts surveyed by FactSet.

Canada Goose's coat maker experienced a significant increase in profit margin by expanding by approximately 100 basis points compared to fiscal 2024.

The big-box retailer experienced a 4.7% increase after reporting first-quarter earnings of 60 cents per share, exceeding the 52 cents predicted by analysts surveyed by LSEG. Revenue came in at $161.5 billion, surpassing the $159.5 billion forecast. Walmart reported significant growth in e-commerce and attracted more high-income customers.

On Thursday, the stock in the insurance company increased by more than 8.1% before the opening bell, following the revelation that Warren Buffett's Berkshire Hathaway had been secretly accumulating Chubb as the conglomerate's second-largest holder, with a purchase of nearly 26 million shares for approximately $6.7 billion, as stated in a regulatory filing.

Cisco Systems' networking equipment stock increased by 3% following the release of stronger-than-anticipated fiscal third-quarter results, and the company also raised its 2024 revenue forecast to $53.7 billion at the midpoint of a range.

The meme stock movement on Monday and Tuesday led to extended losses for shares of AMC and GameStop, with AMC falling nearly 11% and GameStop pulling back roughly 14%. Despite this, both stocks have experienced significant gains this week, with AMC soaring more than 80% and GameStop achieving a 140% increase.

Deere's net income forecast for 2024 has been revised from $7.75 billion to approximately $7 billion, resulting in a nearly 6% decline in the company's stock price.

Despite beating analysts' revenue expectations, Baidu's shares only rose by less than 1% after releasing its first-quarter results.

Raymond James upgraded the healthcare stock to outperform, causing it to climb about 6% early Thursday. Analyst John Ransom believes the growth story is positive with potential for higher earnings. He also noted that the company's full-year guidance is relatively conservative.

The e-commerce company in Seattle experienced a 3.1% increase. UBS upgraded its shares from neutral to buy, stating its expanding portfolio and strong logistics network as reasons.

The price of shares increased by 2% following Evercore ISI's decision to raise its target price due to the expanding artificial intelligence market opportunity, which could potentially involve Tesla as a client.

Meta's shares dropped 0.5% following the European Union's launch of an investigation into the company, focusing on child safety issues on its social media platforms, Facebook and Instagram.

The reporting for CNBC was done by Michelle Fox, Hakyung Kim, Sarah Min, Samantha Subin, and Jesse Pound.