US stocks opened mixed as investors weighed the Senate’s passage of a bill to end the government shutdown and a pair of jolting AI headlines. The measure now heads to the House, where a vote is expected within 24 hours before President Trump signs it into law. Lawmakers are racing back to Washington amid widespread flight delays — a fitting symbol of the shutdown’s ripple effects. The bill would reopen the government by week’s end and restore pay to 750,000 furloughed workers.

SoftBank (9984.T) sold its entire stake in Nvidia (NVDA) — about 32 million stock worth $5.8 billion — calling the move a “financing measure” to raise capital for new investments, including OpenAI. The sale triggered a modest pullback across AI-linked names. CoreWeave, an Nvidia-backed cloud infrastructure firm, cut its full-year revenue forecast due to construction delays at a key data center, prompting a downgrade from JPMorgan and an 8% stock slide. Has cut its full-year revenue forecast due to construction delays at a key data center, prompting a downgrade from JPMorgan and an 8% stock price decline. Analysts stressed that the supply issue is temporary but noted that it highlights execution risks in the AI supply chain.

Elsewhere, corporate buybacks are surging to record highs, with US firms authorizing more than $1.2 trillion so far this year — a 15% increase from 2024 — as executives become more confident in the economy. Analysts say the trend is helping support stocks even at elevated valuations.

Takeaways:

Shutdown deal moves to the House after Senate passage; government likely to reopen by week’s end

SoftBank sells entire $5.8B Nvidia stake to fund new investments, including OpenAI

CoreWeave cuts forecast over data center delays; JPMorgan downgrades stock

Corporate buybacks top $1.2T this year as confidence and cash flow improve

AI enthusiasm faces new tests amid capacity bottlenecks and high valuations

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