Stocks making the biggest moves premarket: EchoStar, Eli Lilly, Advanced Micro Devices & more

EchoStar shares surged 66% following AT&T's agreement to acquire some of its wireless spectrum licenses for $23 billion, highlighting significant M&A activity. Eli Lilly also gained 2% on positive late-stage trial results for its weight loss pill, orforglipron, while International Brokerage Group rose 4% due to its impending S&P 500 inclusion. Conversely, Constellation Brands shed 2% after a Bank of America downgrade citing potential downside in beer industry consumption, and Advanced Micro Devices climbed 2% on an upgrade fueled by increasing hyperscale customer interest.

Analysis

Significant M&A activity is driving market headlines, highlighted by EchoStar's shares surging 66% after AT&T agreed to acquire its wireless spectrum licenses for $23 billion, a transaction slated to close in mid-2026. In the pharmaceutical sector, Eli Lilly gained 2% on positive late-stage trial results for its weight loss drug, orforglipron, which demonstrated a 10.5% average weight loss at 72 weeks, significantly outperforming the placebo. Analyst sentiment has also been a key catalyst, with Advanced Micro Devices rising 2% on a Truist upgrade to 'buy' attributed to increasing interest from hyperscale partners for at-scale deployment. Similarly, coordinated upgrades to 'outperform' from Baird lifted retail stocks, with Canada Goose climbing nearly 6% and V.F. Corp and Rocky Brands each adding approximately 3%. The burgeoning AI theme extended to the energy sector, as nuclear tech firm Oklo popped 3% on a 'buy' initiation from Bank of America, which cited the company's position to meet AI's rising energy demands. Conversely, Constellation Brands faced headwinds, shedding 2% after a Bank of America downgrade to 'underperform' due to concerns over potential declines in beer industry consumption impacting sales and margins. Finally, International Brokerage Group added 4% on a technical, index-related catalyst, as it is set to replace Walgreens Boots Alliance in the S&P 500.

Key Decisions for Investors

• Given EchoStar's 66% surge on the $23 billion spectrum sale announcement, investors should evaluate the current valuation against the deal's closing risk, which extends to mid-2026.
• The positive analyst actions on AMD and Oklo underscore the broad investment theme of AI infrastructure, suggesting investors should monitor not just chipmakers but also ancillary sectors like nuclear energy that power data centers.
• Eli Lilly's positive trial data for orforglipron reinforces its competitive position in the lucrative obesity drug market, warranting attention from investors focused on the healthcare sector's growth drivers.
• Investors in Constellation Brands should exercise caution following the analyst downgrade, monitoring beer industry consumption data closely for signs of the deteriorating fundamentals highlighted by Bank of America.
• The announced S&P 500 inclusion for International Brokerage Group presents a near-term catalyst from index fund rebalancing, but long-term holders should reassess the firm's fundamentals post-inclusion.