US Stock Market Key News Summary July 21, 2026

Market Outlook Today

Earnings Reports: Tesla, Alphabet, IBM, Texas Instruments

TSMC May Raise Prices – Can Tech Giants Afford the AI Boom?

With demand for artificial intelligence (AI) chips continuing to rise, Taiwan Semiconductor Manufacturing Company (TSMC-US) is expanding capital expenditures and overseas operations while reportedly planning to raise foundry prices starting in 2027, with increases of up to 10%. Analysts say this move highlights TSMC's pricing power in advanced processes and sends a clear signal to the semiconductor equipment supply chain about sustained demand growth.

Micron Jumps 12% – Chip Stocks Rally as China's AI Models Emerge as New Catalyst?

Chip stocks are heating up again, as investors increasingly accept a new view: factors once seen as threats to the AI investment boom may now become new catalysts. On Tuesday (21st), memory chip makers rebounded sharply. Micron Technology (MU-US) surged 12.2%, SanDisk (SNDK-US) jumped 14.4%, and SK Hynix ADR (SKHY-US) rose 13.8%.

Supermicro Preliminary Results Beat Expectations – Quarterly New Orders Exceed $60 Billion, Stock Soars Over 17% After Hours

AI server manufacturer Super Micro Computer (SMCI-US) announced preliminary quarterly results on Tuesday (21st), driven by new orders surpassing $60 billion and gross margins significantly exceeding prior expectations. This sent Supermicro's stock soaring over 17% after hours, lifting Dell Technologies (DELL-US) and Hewlett Packard Enterprise (HPE-US) by approximately 5% and 4%, respectively.

Entering the AI Server CPU Market – NVIDIA's 'Vera' Ships, Directly Challenging Intel and AMD

NVIDIA (NVDA-US), having risen to become the world's most valuable company on AI accelerator demand, is now extending its battlefield from GPUs to CPUs, aiming to challenge Intel (INTC-US) and AMD (AMD-US), long-time leaders in the server market. On Tuesday (21st), NVIDIA released detailed specifications, architecture, and performance test data for its next-generation data center CPU 'Vera,' allowing potential customers to evaluate the product.

[Earnings Preview] Tesla Q2 Free Cash Flow May Turn Negative – Full-Year Capital Expenditure Could Reach $25 Billion

Tesla (TSLA-US) is scheduled to release its Q2 earnings after US market close on Wednesday (22nd). The market expects the company may report negative free cash flow for the first time in over two years. With rapidly increasing investments in AI, robotics, data centers, and manufacturing capacity, investors will closely watch when these massive expenditures begin to generate returns.