According to @StockMKTNewz, five U.S. companies now each exceed a $2.5 trillion market cap: Nvidia at $5T, Apple at $4T, Microsoft at $3.9T, Google at $3.4T, and Amazon at $2.7T; source: @StockMKTNewz on X, Oct 31, 2025. For traders, leadership by these mega-cap tech stocks can affect cross-asset risk appetite because crypto assets such as BTC and ETH have shown materially higher co-movement with equities in recent years; source: IMF Blog, Crypto Prices Move More in Sync With Stocks by Tobias Adrian, Tara Iyer, Mahvash Qureshi, Jan 11, 2022. The IMF noted that stronger equity-crypto correlations mean equity shocks can transmit to crypto volatility and returns, making price action in NVDA, AAPL, MSFT, GOOGL, and AMZN relevant to crypto market positioning; source: IMF Blog, Crypto Prices Move More in Sync With Stocks by Tobias Adrian, Tara Iyer, Mahvash Qureshi, Jan 11, 2022.