U.S. stock markets closed higher on February 6, with the Dow Jones Industrial Average gaining over 2% and surpassing the 50,000 mark for the first time in history. The Dow rose by 1,206.95 points to close at 50,115.67, a 2.47% increase. The S&P 500 advanced by 133.9 points to 6,932.3, up 1.97%, while the Nasdaq Composite climbed 490.62 points to 23,031.21, a 2.18% gain. For the week, the Dow accumulated a 2.50% rise, whereas the Nasdaq and S&P 500 fell by 1.84% and 0.10%, respectively.

Most large-cap technology stocks posted gains. Tesla increased over 3%, Microsoft rose nearly 2%, Netflix advanced more than 1%, and Apple edged up close to 1%. In contrast, Amazon declined over 5% due to market concerns over its substantial capital expenditure plans, prompting several brokerages to lower their target prices. Google fell more than 2%, and Meta dropped over 1%. Among chip stocks, ARM and Super Micro Computer surged over 11%, Western Digital and AMD rose more than 8%, NVIDIA climbed nearly 8%, Broadcom gained over 7%, Seagate Technology and TSMC advanced more than 5%, while SanDisk and Micron Technology increased over 3%.

Cryptocurrency, optical communication, and precious metals sectors led the gains. Strategy surged over 26%, MARA Holdings jumped more than 22%, Bit Digital rose over 19%, with Canaan Technology, The9, Coinbase, Circle, and Ebang International also recording double-digit increases. Lumen Technologies climbed nearly 30%, Astera Labs advanced close to 19%, Credo Technology increased over 13%, and Lumentum and Coherent followed suit. The iShares Silver Trust, the world's largest silver ETF, rose over 5%, while Coeur Mining surged more than 12%, and Pan American Silver and U.S. Gold each gained over 5%.

Pharmaceutical stocks generally rose, with Novo Nordisk up nearly 10% and Eli Lilly advancing over 3%. The U.S. Food and Drug Administration (FDA) has taken action to combat counterfeit weight-loss drugs, announcing measures to restrict the use of glucagon-like peptide-1 (GLP-1) active ingredients in compounded drugs not approved by the FDA. These products have been marketed as alternatives to FDA-approved medications. The FDA's statement referenced Hims & Hers and other compounding pharmacies, aiming to protect consumers from drugs whose quality, safety, or effectiveness cannot be verified. Hims shares plunged over 10% in after-hours trading.

Quantum computing, drone, nuclear energy, and rare earth concept stocks also showed strong activity. Quantum Computing and D-Wave Quantum surged over 20%, while Quantum and Rigetti Computing rose more than 18%. Draganfly increased over 15%, and Ondas advanced more than 14%. NuScale climbed over 18%, and Oklo, in which Sam Altman holds a stake, rose more than 14%. MP Materials and Energy Fuels gained over 8%, and USA Rare Earth increased more than 6%.

Popular U.S.-listed Chinese stocks broadly advanced, with the Nasdaq Golden Dragon China Index closing up 3.71%. Nio rose over 7%, Li Auto gained more than 6%, Baidu increased over 5%, XPeng advanced nearly 5%, Bilibili climbed over 4%, while Alibaba and Pinduoduo each rose more than 3%. JD.com and iQiyi increased over 2%. The FTSE China A50 Index futures rose over 1%.

In commodity markets, the COMEX gold continuous contract rose by $99.10, or 2.03%, to $4,988.6 per ounce. The COMEX silver continuous contract increased by $0.81, or 1.06%, to $77.525 per ounce. Spot gold advanced by $185.66, or 3.88%, to $4,966.22 per ounce, while spot silver rose by $6.87, or 9.68%, to $77.85 per ounce. International crude oil prices rose on February 6, with the NYMEX WTI continuous contract up $0.21 to settle at $63.5 per barrel, a 0.33% gain. Bitcoin reclaimed the $70,000 level, nearly recovering all losses from Thursday's sharp decline, which marked the most significant drop since the collapse of Sam Bankman-Fried's FTX exchange over three years ago. On that day, Bitcoin briefly plunged over 13%, falling more than 50% from its October peak. Other smaller, less liquid tokens also rebounded.

European stock markets closed higher on February 6. The UK's FTSE 100 index rose 60.53 points to 10,369.75, a 0.59% gain. France's CAC 40 index advanced 35.67 points to 8,273.84, up 0.43%, while Germany's DAX index increased 230.4 points to 24,721.46, a 0.94% rise.

Overnight developments included a joint U.S.-India statement on trade agreements, outlining reciprocal market access. The U.S. will impose an 18% "reciprocal" tariff on Indian goods while eliminating tariffs on specific aircraft and components from India. India plans to purchase $500 billion worth of U.S. energy, aircraft, and metals.

Amid market concerns over massive AI spending, NVIDIA CEO Jensen Huang stated on Friday that such expenditures are justified and sustainable. The remarks were well-received, with NVIDIA shares surging 7.79% on the day, nearly erasing losses from the previous three sessions.

Greenwoods Asset Management's latest 13F filing showed its U.S. stock holdings valued at $4.04 billion as of December 31, with Google's parent Alphabet becoming its largest holding. The firm reduced its NVIDIA position by over 60% in the fourth quarter, as the chip leader faced adjustments due to concerns over AI industry financing cycles after hitting a high in early November. Greenwoods also cut nearly 20% of its Meta holdings, demoting it to its second-largest position.

NASA astronauts on upcoming deep-space missions, including the Artemis II lunar mission, will be permitted to carry Apple's latest smartphones to document their experiences. The initiative aims to enable astronauts to record personal moments and share inspirational content globally.

Tesla is evaluating multiple U.S. sites to expand its solar cell manufacturing capacity. CEO Elon Musk previously stated at the World Economic Forum in Davos that SpaceX and Tesla are jointly advancing solar production, targeting 100 gigawatts of annual manufacturing capacity within three years.

The Semiconductor Industry Association (SIA) projected that the global chip industry will achieve $1 trillion in revenue for the first time this year. According to SIA data, 2025 chip sales reached $791.7 billion, a 25.6% increase from the previous year.

The European Central Bank has urged EU leaders to take "urgent collective action" to boost the economy, proposing five key measures ahead of an upcoming summit. Recommendations include establishing a savings and investment union, introducing a digital euro, deepening the single market, promoting innovation-friendly policies, and simplifying legislation.

European Commission President Ursula von der Leyen announced the 20th round of sanctions against Russia, expanding restrictions on energy, banking, goods, and services. She emphasized that increased pressure is necessary to bring Russia to the negotiating table amid peace talks in Abu Dhabi.

Kremlin spokesperson Dmitry Peskov stated that there are no plans for new Ukraine negotiations in the U.S., nor have such discussions taken place. He noted that while a date for further talks is not yet set, they will occur soon.

Iran's presidential office praised its diplomatic delegation's performance in Muscat, Oman, stating that core objectives had been accomplished. The mission aimed to lay the groundwork for "fair and just negotiations" under the framework of national interests, conveying preconditions for substantive dialogue with the U.S. indirectly.

Following indirect nuclear talks, Iranian Foreign Minister Hossein Amirabdollahian described the discussions as a "good start," noting that further dialogue will continue pending consultations with respective leadership. The news prompted a brief decline in international oil prices.

The U.S. State Department announced sanctions against 15 entities and two individuals involved in transactions related to Iranian crude, petroleum products, or petrochemicals, designating 14 vessels as linked entities.