US Stock Futures Mixed; Alphabet Boosts AI Firms: Markets Wrap

US stock futures were steady as investors sifted through earnings reports, with Alphabet Inc. signaling strong demand for its AI products, while Tesla Inc. posted the biggest revenue decline in at least a decade.

Contracts on the S&P 500 were little changed and those on the Nasdaq 100 added 0.2% after Alphabet projected a $10 billion rise in its capital spending target to keep up in the AI race. The increase helped lift other AI infrastructure stocks in premarket trading, including chipmaker Nvidia Corp.

As the earnings season picks up pace, investors are keen for reassurance that the record-breaking ...