Apple stock flirts with $5T again: can iPhone Duo put it alongside Nvidia?

Apple (NASDAQ: AAPL) shares reached an all-time intraday high of $345.34 on Tuesday before closing at $339.75, giving the company a market capitalization of approximately $4.96 trillion. The stock briefly pushed Apple above the $5 trillion market-capitalization threshold during the session, according to Dow Jones Market Data.