Market Overview - The Nasdaq dropped 3.6% and the S&P 500 fell 2.7%, marking the worst single day for both indexes since April 4, following President Trump's tariffs announcement [1] - Both indexes fell below their 21-day exponential moving averages but remained above their 50-day lines [1] Upcoming Events - A high-tension week is anticipated as Congress attempts to restart the federal government, with key AI conferences hosted by Oracle and Salesforce.com [2] - Major companies including Taiwan Semiconductor, JPMorgan, Goldman Sachs, and Charles Schwab are set to kick off the third-quarter earnings season [2] Earnings Season Insights - Big banks will lead the Q3 reporting season, focusing on tariff impacts and Federal Reserve rate cut outlook [5] - JPMorgan, Citigroup, and Goldman Sachs are reporting on Tuesday, while Bank of America, Morgan Stanley, and others will report on Wednesday [5] - Analysts expect Citizens and Goldman to show the highest earnings growth [5] Sector Performance - Software stocks are under scrutiny, with companies like CrowdStrike, Zscaler, Snowflake, Oracle, and Palantir showing resilience despite market fluctuations [3] - TSMC is projected to earn $2.62 per share in Q3, a 34% increase year-over-year, with sales expected to rise 36% to $32.07 billion [7] - ASML is expected to report 11% year-over-year growth in earnings and sales, despite challenges from trade restrictions [9] Company-Specific Developments - American Express, Johnson & Johnson, and Travelers are among the Dow components reporting Q3 results, representing nearly 25% of the index's weighting [6] - TSMC is benefiting from increased production of AI data center chips for major clients like Nvidia and AMD, with a year-to-date stock gain of 45% [8] - Charles Schwab is expected to see earnings growth accelerate to 60%, with revenue growth forecasted at 23% [13]