Stock market today: Dow, S&P 500, Nasdaq end volatile week lower amid worst tech sell-off since April

US equities ended a volatile week lower, marked by the Nasdaq Composite's steepest loss since April, as concerns over AI bubble valuations and Big Tech sustainability intensified. Bearish consumer sentiment, high October job cuts, and the ongoing government shutdown further weighed on markets. Notable company developments included Tesla shareholders approving a substantial pay package for Elon Musk despite the stock's decline, Block's significant drop post-earnings miss, and Meta's AI investment plans alongside reports of substantial scam ad revenue.

Analysis

US equities concluded a volatile week with major indices, including the Nasdaq Composite, S&P 500, and Dow, closing lower, marking the Nasdaq's deepest weekly loss since April. This downturn was primarily driven by persistent concerns over an AI bubble, high Big Tech valuations, and a bearish consumer sentiment reading of 50.3 from the University of Michigan, the worst since 2022. The ongoing US government shutdown further exacerbated market uncertainty, delaying critical economic data.

The tech sector, particularly the "Magnificent Seven" stocks, experienced significant sell-offs, with Nvidia (NVDA) down over 9.5% for the week and Tesla (TSLA) falling over 3% on Friday despite shareholders approving a substantial pay package for CEO Elon Musk. Meta (META) also declined 1% amid valuation concerns and reports of significant revenue from scam ads, even as it announced a $600 billion investment in AI infrastructure. Intel (INTC) was a notable outlier, showing a slight gain on Friday, potentially due to Musk's comments about collaboration on chip fabrication.

Broader economic signals included October job cuts reaching their highest level for the month in over 20 years, signaling a potential slowdown. Bitcoin (BTC-USD) also experienced a rough week, falling below $100,000 and on pace for a 6% weekly loss, attributed to whale selling and leveraged position liquidations. Gold futures held steady around $4,003 per ounce, maintaining an impressive year-to-date performance, while oil prices rallied slightly on Friday after a week of losses.

Key Decisions for Investors

• Investors should monitor the resolution of the government shutdown and upcoming economic data for clearer signals on the economic trajectory, as current data points to a slowdown.
• Given the tech sector's volatility and AI valuation concerns, a cautious approach to "Magnificent Seven" stocks may be warranted, with a focus on companies demonstrating clear profitability and sustainable growth beyond speculative AI plays.
• Consider defensive positions or assets like gold, which has shown resilience, while closely watching for further downside in cryptocurrencies given recent liquidations and bearish sentiment.
• For individual names, scrutinize company-specific news like Meta's scam ad revenue implications or Tesla's execution on ambitious AI/robotics targets, as these can drive divergent performance within sectors.