

In today's premarket trading, notable movements include Under Armour's shares dropping significantly due to disappointing earnings guidance, while Canada Goose surged following strong fiscal results. Walmart also saw gains after outperforming earnings and revenue expectations.
In other developments, Chubb's stock rose after Berkshire Hathaway disclosed a substantial investment in the company, making it the second-largest shareholder. Meanwhile, meme stocks like AMC and GameStop experienced declines, although they have seen dramatic increases overall this week.
Additionally, various companies like Cisco Systems and GoodRX showed positive trends based on robust financial results and favorable analyst upgrades, respectively. Conversely, Deere & Company's stock fell after the company cut its full-year income forecast, and Meta Platforms dipped slightly amid new regulatory scrutiny in the EU.