Microsoft and Apple are now worth over $4 trillion apiece and are helping drive the Dow, S&P 500 and Nasdaq Composite to record levels as investors embrace the new iPhone and AI.

This is the first time Apple's market capitalization has crossed the $4 trillion mark, making it the third company to ever cross the milestone after Nvidia and Microsoft.

Microsoft has reported an 18% increase in quarterly sales, reaching $77.7 billion, surpassing Wall Street expectations

A day after Microsoft became the second-ever company to finish a trading session with a $4 trillion market capitalization, Apple became the third. Apple achieved the feat on Wednesday, following a brief flirtation with the requisite level on an intraday basis Tuesday.

Wall Street's three main indexes hovered near record highs on Tuesday, underpinned by shares of megacap tech stocks such as Microsoft and Apple in a week packed with earnings from U.S. heavyweights. Microsoft jumped 2.

Apple stock rose 0.2% to $271.11 in early trading Thursday, ahead of the iPhone maker’s fiscal fourth-quarter earnings report due after the market closes.

Apple is an outlier among Big Tech companies as it doesn't spend nearly as much as its peers on artificial-intelligence infrastructure. Case in point: The FactSet consensus calls for only $3.7 billion in capital expenditures from Apple in the September quarter.

Apple and Microsoft are two tech giants—but which stock is more likely to grow your wealth by 2030? Experts break down the risks and rewards.

The S&P 500 has been in a bull market for three years, but the momentum could stall, depending on the outcome of several crucial events this week.

Apple shares rose fractionally in early trading, just enough to briefly push the company’s value above the historic level.