Semiconductor sales reached $702 billion in H1 2026. Learn how AI demand, expanding capacity, and oversupply risks could affect US chip stocks and ETFs.
QQQ and the S&P 500 share many leading stocks, but different weightings, sector exposure, and concentration make QQQ respond differently to market moves.
Learn how SPY, VOO, and IVV track the S&P 500, why these ETFs differ, how ETF CFDs work, and which trading costs matter before you take a market position.