US Market Key News Summary August 6, 2026

Today's Trading Outlook

U.S. Challenger Job Cuts

U.S. Initial Jobless Claims Last Week

<Earnings> Sandisk Revenue Forecast Miss Overshadows Strong Earnings, Shares Drop Over 6% After Hours

Sandisk (SNDK-US) reported better-than-expected Q4 2026 fiscal results after market close on Wednesday (5th), but its after-hours share price declined due to revenue guidance below market estimates, indicating investors' higher expectations for this memory giant. Sandisk's stock has surged 469% year-to-date and an astonishing 3,108% over the past year. With such significant gains, market scrutiny on both earnings and forward guidance has intensified—making even above-expectation results insufficient to satisfy elevated investor hopes. Read full article

Strong Earnings Fail to Rescue Stock: Western Digital Plunges Over 10% After Hours

Western Digital (WDC-US) announced better-than-expected results for its latest quarter on Wednesday (5th), but its after-hours share price still plummeted due to guidance that failed to meet sky-high market expectations. At time of writing, shares were down more than 10%. This post-market selloff underscores how the AI boom has dramatically raised expectations for related supply chain players. Read full article

IonQ Kicks Off Quantum Computing Earnings Season: Revenue Soars Nearly 4x, Raises Full-Year Forecast

IonQ (QBTS-US) kicked off the quantum computing earnings season on Wednesday (5th), with its CEO calling it the company’s 'strongest quarter ever.' Adjusted EPS loss for Q2 2026 was $0.33, beating analysts’ forecast of a $0.56 loss. The real highlight was revenue: Q2 sales reached $80.1 million, nearly quadrupling year-over-year and surpassing Wall Street’s estimate of $66.5 million. Management attributed the surge to increased commercial demand for its Tempo quantum computers and sustained strength in cloud computing services. Read full article

Musk Names SpaceX to Fully Adopt NVIDIA AI Chips: AMD Crashes Over 7%, NVIDIA Jumps Over 3%

SpaceX’s first earnings call since going public unexpectedly became a focal point for the AI chip market. CEO Elon Musk announced that SpaceX will fully adopt NVIDIA (NVDA-US) chips for its future AI infrastructure. The news boosted NVIDIA’s stock, closing up over 3% on Wednesday (6th), while AMD plunged more than 7%. Musk stated that after evaluation, SpaceX determined NVIDIA’s Vera Rubin architecture is currently the best AI computing platform, so the company’s future AI systems will be 'entirely built on NVIDIA’s platform,' with both sides deepening collaboration. Read full article

Anthropic Confirms In-House AI Chip Project: Developing Dedicated Chips for Claude

Anthropic confirmed it has launched a custom AI chip initiative and established an internal chip team to design dedicated processors for its Claude model, addressing rising AI compute demands. This marks the first time Anthropic has publicly acknowledged its self-developed chip strategy. A spokesperson told Business Insider the company aims to enhance Claude’s processing speed and energy efficiency through co-design of hardware and AI models, while better supporting growing enterprise deployment needs. Read full article