Stocks making the biggest moves midday: First Solar, Newmont, Wells Fargo, Nvidia & more

Midday trading saw varied stock movements driven by earnings, strategic investments, and regulatory actions. Nvidia surged 4% on news of resuming H20 AI chip sales to China, boosting the semiconductor sector, while First Solar gained 6% amid potential Section 232 tariffs on polysilicon imports. Elsewhere, Wells Fargo dropped 5% after lowering its 2025 net income guidance despite a Q2 beat, contrasting with Citigroup's 3% rise on strong quarterly results, while CoreWeave's $6 billion AI data center investment and Trade Desk's S&P 500 inclusion also drove significant gains.

Analysis

Midday trading reveals a market driven by company-specific catalysts, with significant divergence observed across the technology and banking sectors. In technology, the artificial intelligence theme remains a primary driver; Nvidia (NVDA) shares jumped 4% on news it will resume licensed H20 AI chip sales to China, lifting semiconductor peers like AMD (+6%) and Broadcom (+2%). This was further reinforced by AI cloud firm CoreWeave committing $6 billion to a new data center. Separately, The Trade Desk (TTD) surged 9% on a purely technical catalyst: its upcoming inclusion in the S&P 500. Conversely, the financial sector displayed a clear split based on forward guidance and specific revenue metrics. While Citigroup (C) gained 3% on strong second-quarter results that beat estimates on both earnings ($1.96 vs. $1.60 expected) and revenue, Wells Fargo (WFC) dropped 5% after lowering its 2025 net income guidance, completely overshadowing its own Q2 profit beat. Similarly, BlackRock (BLK) and State Street (STT) fell 5% and 4% respectively due to misses on revenue and net interest income, indicating heightened investor scrutiny beyond headline numbers. Regulatory actions also created distinct winners, with First Solar (FSLR) climbing 6% as the U.S. launched a Section 232 investigation into polysilicon imports, a move that could lead to protective tariffs for domestic producers. Finally, management stability proved critical, as Newmont (NEM) fell 8% following the abrupt departure of its CFO.

Key Decisions for Investors

• In the banking sector, prioritize forward guidance and key line items like net interest income over headline EPS beats, as negative outlooks at Wells Fargo and minor misses at State Street are being heavily penalized.
• The sustained capital flow into AI infrastructure, highlighted by CoreWeave's $6 billion investment and Nvidia's renewed access to the Chinese market, reinforces a bullish outlook for key semiconductor and data center players.
• Monitor U.S. trade policy and regulatory developments closely, as potential Section 232 tariffs are creating significant, stock-specific upside for domestic manufacturers like First Solar, independent of broader market conditions.
• Note that major management changes, such as the CFO departure at Newmont, are being interpreted as significant risk factors, warranting a potential review of positions in affected companies.
• Recognize the powerful impact of index inclusion as a short-term catalyst, evidenced by The Trade Desk's 9% gain, which can be a factor in event-driven strategies.