On October 31, the US stock market experienced significant declines. The Dow Jones Industrial Average fell by 0.90%, the NASDAQ dropped by 2.76%, and the S&P 500 decreased by 1.86%. The market was weighed down by disappointing earnings reports from major tech companies and concerns over upcoming economic data.

In the sector performance, the US gaming stocks and the US financial technology stocks saw notable movements. The gaming sector, including companies like Roblox Corporation and Electronic Arts Inc., faced pressure, while the financial technology sector, with stocks such as PayPal Holdings Inc. and Square Inc., also experienced declines.

Among individual stocks, Apple fell by 1.99%. The company is set to release its earnings report later today, which is expected to significantly influence market sentiment. Amazon.com dropped by 3.39%, with investors closely watching its AWS business revenue and profit margins. Microsoft saw a sharp decline of 6.03% after forecasting slower growth in its cloud business and higher expenditures. Meta Platforms Inc. also fell by 4.09%, despite positive ratings from several analysts.

Estee Lauder (Estee Lauder) plummeted by 20.90% after the company withdrew its 2025 fiscal year outlook and downgraded its dividend. This significant drop was influenced by multiple downgrades from analysts, including Wells Fargo and Citigroup.

Other notable stock movements include Coinbase Global Inc., which plunged by 15.34% following a downgrade to 'Underperform' by Mizuho, despite positive ratings from other analysts. NVIDIA Corp fell by 4.85% amid scrutiny over its acquisition of Israeli AI startup Run:ai by European regulators. Uber Technologies Inc. dropped by 9.29% after reporting better-than-expected revenue and profit but lower-than-expected total bookings for the third quarter.

In summary, the US stock market faced a challenging day with broad declines across major indices and significant drops in key tech stocks. Investors are closely monitoring upcoming earnings reports and economic data for further market direction.