Core Viewpoint - The S&P 500 experienced a significant drop of over 100 points last week, disrupting expectations for a strong year-end rally in 2025 [1] Group 1: Market Analysis - The decline in the S&P 500 may be linked to margin calls in silver, indicating potential volatility in the commodities market [1] - The article highlights the importance of a proprietary trading system developed over 15 years, which incorporates various analytical methods including fractals, Elliott Wave, and macroeconomic drivers [1] Group 2: Analyst Background - The chief analyst at Matrixtrade, Andrew McElroy, has extensive experience in market analysis and manages a family portfolio of stocks and ETFs [1]