Investors have rallied behind chip stocks amid advancements in artificial intelligence (AI). Sector leader Nvidia (NVDA) is up almost 150% since the start of 2024, and the VanEck Semiconductor ETF (SMH) sports a 39.3% year-to-date lead. Advanced Micro Devices Inc (NASDAQ:AMD) stock is brushing off NVDA's post-earnings drop, up 1.2% at $148.11 at last glance, but multiple bear signals suggest trouble lies ahead.Schaeffer's Senior Quantitative Analyst Rocky White just released his list of worst S&P 500 Index ...