While market participants may not agree on whether the tech trade looks poised to go awry, it's a double-edged sword that today's stock market has become heavily concentrated in tech stocks. They are ...

The AI bubble has been deflating for many companies, aside from most of the hyperscalers doing the big spending as the infrastructure build-out continues to support generative-artificial-intelligence ...

True, market observers have reason to be concerned that the torrid pace of AI investment for data centers and top talent may ...

Abstract: We report on 940 nm dual-cavity photonic crystal vertical-cavity surface-emitting laser (VCSEL) arrays fabricated at a commercial foundry. These arrays leverage an anti-guided design enabled ...

Stock markets fell Friday after US President Donald Trump threatened China with "massive" new tariffs, while oil prices retreated as Middle East tensions eased following the Gaza ceasefire. Trump, in ...

Stocks look ready to bounce back from Tuesday’s selloff that was driven largely by concern around big tech and AI spending, a worry also echoed in the early hours in a Bank of England report. But is a ...

The fun parts about blowing a bubble are seeing how big it can get—and how long it takes to pop. The same appears to be true for investors witnessing tech stocks’ increasingly stretched valuations, ...