Shares of Intel ( INTC 3.73%) are soaring this week, up 24.1% as of 3:13 p.m. ET. The spike comes as the S&P 500 ( ^GSPC ...

China is pulling back on purchases of semiconductor manufacturing equipment -- and KLA sells nearly as much stuff to China as ...

Applied Materials ( AMAT -13.76%), one of the world's biggest makers of manufacturing equipment for producing semiconductors, ...

Berkshire Hathaway's latest regulatory filing revealed that the company took a considerable stake in UnitedHealth. The 5 ...