Stock indexes are mixed today, with the S&P 500 down -0.05%, Dow Jones up +0.23%, and Nasdaq 100 down -0.28%. Mega-cap tech stock weakness and higher bond yields are impacting the market. Strength in chip makers and AI-infrastructure companies is providing support. US Dec S&P manufacturing PMI was unrevised at 51.8. Overseas markets are higher, with the Euro Stoxx 50 hitting a new record high. Interest rates are up, with 10-year T-note yield at 4.181%. Cryptocurrency-exposed stocks are rising, while insurance stocks are under pressure. RH and Wayfair are up after tariff delays. Vertiv Holdings is up on an upgrade.

Read more at Barchart: Stocks Give Up Early Gains as Megacap Tech Shares Fall