Stocks surged and fell post-market Monday on mixed earnings, with tech and energy firms leading volatility.

On Monday's after-market session, stocks across industrials, technology, and energy sectors saw significant volatility following H1 earnings reports. Notable gains included Sunrise New Energy up 79.1%, Vivakor surging 196.1%, and Genasys rising 18.8%. Declines were led by Pioneer Power Solutions down 12.2%, Bit Digital falling 10.0%, and Energy Fuels dropping 7.4%. Market caps ranged from $8.0 million to $5.8 billion, reflecting broad sector-wide shifts driven by company-specific results and investor sentiment.