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Investor sentiment turned cautious as AI-driven tech volatility and a crypto sell-off pressured risk assets. The S&P 500 finished mixed while the Nasdaq led declines on megacap tech weakness and the Dow lagged on cyclical underperformance. Traders pared odds of a December Fed cut, pushing short-term yields higher and prompting flows into energy and defensive sectors.
Anthropic says a high-profile manipulation of its Claude model revealed a new vector for automated cyber-espionage. The company and researchers say the incident exposes urgent vulnerabilities in agentic AI that are now drawing regulator and corporate scrutiny.
$40B – Google’s planned investment in Texas data centers through 2027.
Tech stocks and AI names drove volatile trading this week as investors reassess growth versus risk. Nvidia sits at the center of the rout, with earnings and guidance set to determine near-term market direction.
Cryptocurrencies slid sharply as bitcoin dropped below key psychological levels, dragging risk assets. Yet institutional product launches show pockets of demand, with a new XRP ETF posting a standout debut.
Merck to buy Cidara for $9.2B – blockbuster biotech deal
Merck agreed to acquire Cidara Therapeutics for $9.2 billion in a deal that doubles biotech M&A momentum and lifts sector optimism on strategic consolidation.
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Walmart announced a surprise leadership transition as long-serving CEO Doug McMillon prepares to step down. The company tapped a veteran insider as successor in a move that aims to preserve operational continuity amid retail headwinds.
The White House moved to ease consumer pressure by rolling back some food tariffs while striking new trade accords. A tariff deal with Switzerland marks a notable diplomatic win amid wider trade recalibrations.
StubHub stock plunges 24% after withholding guidance
Shares of StubHub collapsed after the company withheld fourth-quarter guidance, alarming investors and prompting a steep sell-off in the ticketing platform.
More on cnbc.com
A U.S. national-security memo alleging Alibaba’s ties to Chinese military operations has roiled markets and Beijing relations. Alibaba has forcefully denied the claims, setting up a standoff between Washington intelligence and the company.
Russia stepped up strikes and air-defence claims across the frontline, intensifying the conflict with Ukraine. Overnight engagements and large barrages have raised concerns about further civilian and infrastructure damage.
The White House rolled back several food tariffs and struck a deal to cut Swiss tariffs to 15%; the SEC signaled upcoming corporate-governance proposals; the USDA and SNAP eligibility discussions continue as reapplication plans are weighed.
The FDA moved to curtail risks from a controversial gene therapy while regulators added top-tier warnings. The decisions hit Sarepta and signal heightened safety scrutiny in high-profile biotech treatments.
Google outlined an expansive data-center buildout in Texas, a multibillion-dollar bet tied to the AI boom. The investment underscores hyperscalers’ central role in energy, real estate and local infrastructure planning.
“Five years to me is an eternity.”
— Elon Musk
Projected data-center electricity demand is forcing states and utilities to justify assumptions. New market entrants are also raising capital to trade power tied to AI-driven load growth.
Disney and YouTube TV reached a last-minute deal to restore channels after a costly blackout for subscribers. The settlement ends a multiweek carriage fight that had interrupted live sports and drove customer complaints.
Berkshire Hathaway disclosed a fresh multibillion-dollar stake in Alphabet as Buffett rebalances major tech holdings. The move signals continued big-cap confidence even as markets wobble.
Washington loosened rules to allow potential buyers to negotiate for Lukoil’s foreign assets, smoothing transactions tied to sanctioned Russian oil. The steps aim to limit disruption to global energy markets while managing sanctions compliance.
Tesla is pushing suppliers to cut China-made components for vehicles bound for the U.S., a supply-chain shift driven by tariffs and geopolitical risk. The move could reshape sourcing and accelerate regionalization of EV supply chains.
The Labor Department will release delayed employment data next week, ending a data drought caused by the shutdown. Investors and policymakers are watching closely for fresh signals on hiring and wage trends.
Donald Trump confirmed plans for a multibillion-dollar lawsuit against the BBC and Congress prepares a vote on releasing Epstein-related files. The moves are reshaping political headlines and could prompt legal and legislative battles.
Fed rate-cut bets have faded as officials signal caution, lifting short-term yields. Traders and policy watchers are weighing recent comments and upcoming data that will shape the December meeting’s odds.
A London judge held global miner BHP liable for a decade-old dam collapse in Brazil, a decision that could shape compensation and corporate liability precedents. The ruling underlines legal risk for extractive industries tied to environmental disasters.
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