Stocks are sinking, and these 4 charts suggest a deeper drop might be just getting started - MarketWatch
1. Stock market vulnerable to deeper selloff of 7%-15% by mid-October. 2. High valuations raise concerns for disappointing news impacting stocks. 3. September historically sees average 1.1% decline in S&P 500. 4. Recent economic data reflects possible labor market weakness. 5. CBOE Volatility Index indicates rising market uncertainty.