Stocks making the biggest moves premarket: Humana, Nike, JD.com and more

Here’s a rundown of companies that made notable moves before the trading bell.

Humana suffered a 22% drop in share value after revealing distressing preliminary Medicare Advantage data for 2025 in its 8-K filing. The filing states that only 25% of members are currently registered in plans rated 4 stars or more for the coming year – a significant decrease from 94% in the previous year, 2024.

Nike shares fell by 7% following the sportswear giant’s decision to retract its full-year guidance. Despite surpassing expectations in earnings for its first fiscal quarter, the company did experience a shortfall in revenue. Additionally, Nike’s Investor Day has been delayed as the new CEO prepares to assume position.

Shares in Chinese companies, amidst a broader stimulus rally, showed a promising upward trend. Both JD.com, an e-commerce firm, and the electric vehicle manufacturer Li Auto saw a surge of over 9% in their share values. Tech brands Baidu and PDD, under parent company Temu, also rose over 6%, while fellow e-commerce giant Alibaba enjoyed a jump of over 4%.

Lamb Weston, the French fries manufacturer, witnessed a 5% drop in its shares after signaling a weak demand in its fiscal first quarter for restaurant and frozen products. Despite this, the company’s adjusted earnings outperformed expectations with 73 cents per share against the anticipated 72 cents.

Diamondback Energy shares experienced a 3% rise after Barclays upgraded its rating of the company from equal weight to overweight. Analyst Betty Jiang highlighted Diamondback’s clear positive trajectory, referencing the company’s $26 billion merger agreement with Endeavor Energy Resources.

LPL Financial saw a decline of 3.4% in share value following the termination of CEO Dan Arnold over allegations of violating the firm’s respectful workplace commitment. Rich Steinmeier, the company’s chief growth officer, will serve as the interim CEO.

Harley-Davidson shares dipped by 4% after being downgraded to neutral from buy at Baird. The company’s third-quarter outlook conveyed risks, which included a weak retail outlook and excessive inventory.

Shares in energy companies experienced a rise after Iran’s missile attack on Israel. Both APA Corp and Marathon Oil saw over 2% growth, while Occidental Petroleum’s shares rose by more than 1%.