Stocks making the biggest moves midday: Amazon, Twilio, Reddit, Cloudflare, First Solar and more

Major companies experienced significant stock fluctuations midday following earnings reports and strategic news. Amazon, Cloudflare, Coinbase, Reddit, and Twilio led gains, rising between 9% and 18% after exceeding Q3 earnings and revenue expectations, with Brighthouse Financial soaring 27% on acquisition talks and Illumina up 22% on strong results. Conversely, Newell Brands plunged 28% after missing forecasts and lowering guidance, while Dexcom fell 16% on a cautious 2026 revenue outlook, and AbbVie dropped 4% despite headline beats due to underlying segment weakness. This highlights a market highly reactive to both strong operational performance and future growth prospects.

Analysis

The market exhibited a clear preference for operational outperformance and positive forward guidance midday, with several companies experiencing significant stock appreciation. Amazon, Cloudflare, Coinbase, Reddit, and Twilio all saw gains ranging from 9% to 18% after reporting Q3 earnings and revenue that surpassed analyst expectations, signaling strong investor confidence in companies delivering robust financial results. This trend underscores the market's current focus on tangible growth and execution.

Specific catalysts also drove substantial movements; Brighthouse Financial surged 27% on reports of advanced acquisition talks, highlighting the immediate value creation potential of M&A activity. Similarly, Illumina's 22% jump on better-than-expected results reinforced strength within the biotech sector, while Getty Images' 4% gain from an AI-powered licensing agreement with Perplexity AI indicates the growing importance of strategic technology integration.

Conversely, companies that disappointed on guidance or revealed underlying weaknesses faced sharp declines. Newell Brands plunged 28% after lowering its full-year adjusted earnings and revenue guidance, reflecting significant operational challenges and a cautious outlook. Dexcom slumped 16% after executives indicated 2026 revenue growth might fall below Wall Street's consensus, emphasizing the market's sensitivity to future growth prospects, even for strong performers. AbbVie's 4% drop, despite a headline beat, was driven by disappointing performance outside core immunology and neuroscience, illustrating scrutiny of underlying business segments.

Key Decisions for Investors

• Investors should prioritize companies demonstrating strong operational execution and positive forward guidance, as evidenced by significant stock reactions to earnings beats from firms like Amazon and Twilio.
• Exercise caution with companies exhibiting underlying business segment weakness or lowered future guidance, even if headline numbers appear mixed, as seen with AbbVie and Newell Brands.
• Evaluate potential M&A targets and companies strategically leveraging emerging technologies like AI, given the substantial gains observed in Brighthouse Financial and Getty Images.