Premarket movers: AMD upgraded, Bloom energy surges

U.S. stock futures opened higher on Tuesday as investors anticipated key inflation data and Nvidia's upcoming quarterly results. By early trading hours, the Dow futures were up 248 points, the S&P 500 had gained 39 points, and the Nasdaq 100 surged 296 points. In individual stock moves, Shift4 Payments appreciated 3.4% in premarket trading following a positive upgrade from Wells Fargo.

The financial institution upgraded the payments technology company to Overweight, setting a $59 price target, indicating the stock's potential undervaluation compared to peers and strong long-term growth prospects. Advanced Micro Devices (AMD) also saw a 2.5% increase before the market opened after Raymond James upgraded the chipmaker to Strong Buy from Outperform, raising its price target to $641 from $565.

The analyst emphasized AMD's strong position in the AI server CPU market, which is expected to expand at a 44% compound annual growth rate over five years and reach approximately $201 billion in revenue by 2030. The firm highlighted demand for CPUs that coordinate AI accelerators and the emergence of agentic computing workloads as significant growth drivers.

Meanwhile, Bloom Energy's shares surged 6.4% in premarket trading after congressional financial disclosures revealed that former House Speaker Nancy Pelosi had established a new position in the clean-energy company. The disclosed purchases of 15,000 Bloom Energy Class A shares, along with 200 call options with a $100 strike price expiring in June 2027, were valued between roughly $4.25 million and $14.5 million.

Pelosi also purchased Intel shares and call options, linking the trades to the broader investment theme surrounding electricity demand from AI infrastructure. T3 Defense shares experienced a remarkable 64.3% rise before the open following Noble Financial's initiation of coverage with a Buy rating and raising its price target to $30 from $20.

Despite a bearish report from Fugazi Research questioning the company's financial performance and acquisition strategy, investors focused on T3 Defense's operating momentum, with its Rimon subsidiary generating a record $2.6 million in revenue in July, bringing year-to-date revenue to about $5.25 million, surpassing the $4.6 million generated in all of 2025.

The major premarket advance in the technology-heavy Nasdaq futures suggested that the market remains focused on the upcoming inflation data and Nvidia's results, which are expected to test the durability of the enormous spending on AI infrastructure across the technology sector.