Julie Chang

I'm Julie Chang for The Wall Street Journal.

Investor jitters about tech stocks and the health of the U.S.

labor market sent stocks lower today.

The Nasdaq composite fell again, dropping 1.6%, and adding to losses suffered Tuesday and Wednesday, its worst two-day pullback since last April's tariff turmoil.

Microsoft stock lost nearly 5%, while Alphabet paired losses, edging about 0.5% lower.

Here's your morning TNB Tech Minute for Thursday, February 5th.

I'm Julie Chang for The Wall Street Journal.

OpenAI launched Frontier today, an AI platform that helps companies build, deploy, and oversee AI agents.

The agents will be able to process information from various sources and complete tasks like working with files and running code.

In a call with reporters, OpenAI's CEO of applications said the agents can collaborate with humans and be used alongside other agents developed by OpenAI competitors like Anthropic and Microsoft.

Frontier is currently available to a limited set of customers.

Here's your afternoon TNB Tech Minute for Monday, February 2nd.

I'm Julie Chang for The Wall Street Journal.

Elon Musk said Starlink has stopped unauthorized use of its satellite internet terminals by Russian drones following Ukraine's appeal for assistance.

Ukraine's defense minister said last week that his team contacted SpaceX and proposed ways to stop the Russian drones flying over Ukrainian cities equipped with Starlink connectivity.

He confirmed that the first steps delivered rapid results.

Starlink isn't activated in Russia, but a black market supplied user terminals to Russian forces.

Ukraine and SpaceX are now coordinating a whitelist of verified terminals, ensuring only authorized devices operate within Ukrainian territory.

The Trump administration is preparing to develop a roughly $12 billion critical mineral stockpile dubbed Project Vault.

The move is aimed at reducing reliance on China for rare earths and metals and prevent future supply shortages.