Chinese AI lab DeepSeek sent a shockwave through the tech sector this week after releasing its R1 large language model (LLM) ...

Samsung Electronics Co. has obtained approval to supply a version of its fifth-generation high-bandwidth memory chips to ...

Investors seeking refuge from market volatility may consider buffer ETFs that swap some stock-market gains for downside protection. But make sure you understand the trade-off before jumping in.

Earnings and guidance still matter most when it comes down to real decisions about buying, holding and selling stocks. An old-school big tech stock was among the day's biggest upside movers, while a ...