The "Magnificent Seven" group of stocks suffered its steepest one-day decline since the tariff-driven market sell-off in April 2025. The group of megacap stocks that includes Microsoft (MSFT), Amazon (AMZN), Apple (AAPL), Alphabet (GOOG, GOOGL), Nvidia (NVDA), Tesla (TSLA), and Meta (META) lost roughly $797 billion in market value, according to Bloomberg. Alphabet (GOOG, GOOGL) and Tesla (TSLA) led the declines, falling 6% and 14%, respectively, following their quarterly results. AlphaSpace heatmap showing declines in "Magnificent Seven" stocks. Northwestern Mutual Wealth Management Company chief investment officer Brent Schutte told Yahoo Finance that investors should diversify into less expensive stocks.