NVIDIA (NVDA) led the top 20 US stocks by trading volume on Monday, closing up 5.79% with $38.71 billion in turnover. The broader tech sector rallied amid optimism over a potential end to the longest US government shutdown in history. NVIDIA, which suffered steep losses last week, spearheaded the rebound, lifting its market cap back to $4.8 trillion. Separately, the company’s Latin America enterprise head revealed plans for new investments in Mexico.

Tesla (TSLA) ranked second, rising 3.66% with $33.66 billion in trading volume. After Elon Musk’s record compensation package was approved, the company reaffirmed ambitions to expand beyond automotive into robotics and autonomous driving. Investors weighed these ambitions against leadership stability concerns. Meanwhile, reports indicated Siddhant Awasthi, Cybertruck project lead, resigned amid production challenges. Awasthi announced his departure on LinkedIn without disclosing next steps or reasons.

Palantir (PLTR) secured third place, jumping 8.81% with $16.66 billion in turnover. Its Q3 results marked a ninth straight quarter of beats, with US commercial revenue soaring 121% and contract bookings hitting a record $2.8 billion. Analysts highlighted its "Rule of 40" metric at an impressive 114% and adjusted EBIT margin reaching a record 51%, showcasing operational leverage. Despite lofty valuations, some project Palantir could hit $1 trillion market cap in 5–6 years, with near-term upside of 6–7%.

AMD (AMD) climbed 4.47% ($10.53 billion) as chip stocks broadly advanced. Alphabet (GOOGL) rose 4.04% ($8.39 billion) after announcing Gemini AI features for TV streaming devices would roll out in coming weeks. Reports also noted Gemini’s deep research tool now integrates with Gmail, Drive, and Chat to extract data for queries. The tool, powered by Gemini 2.5 Pro, operates as an agent executing multi-step workflows.

Micron (MU) gained 6.46% ($6.99 billion) amid sector strength and industry reports highlighting worsening memory chip shortages driven by AI demand. With Samsung, SK Hynix, and Micron shifting capex toward high-end products like HBM, traditional memory supply gaps may persist into next year.

Eli Lilly (LLY) hit a record high, up 4.57% ($5.33 billion), as Goldman Sachs maintained its $95 billion 2030 market forecast for GLP-1 weight-loss drugs following US price cuts. The firm noted Lilly’s lead in market share and oral drug timelines, while Novo Nordisk faces pricing pressures ahead of 2027 IRA negotiations.

SanDisk (SNDK) soared 11.89% to a record ($3.82 billion), bringing its year-to-date surge past 400%. Reports cited a 50% November contract price hike for NAND flash chips, with AI-driven demand straining legacy fab capacity.

Taiwan Semiconductor (TSM) rounded out the list, up 3.06% ($3.16 billion). Analysts highlighted sustained AI supply-chain tailwinds, with TSM’s October sales up 16.9% YoY and Broadcom expanding custom AI accelerator offerings.