TSMC's plans to invest billions more in Arizona to expand its semiconductor factories has caught the attention of three other major computer chip companies.

TSMC's announcement comes as chip-maker Intel, which has struggled for years with declining sales and lost market share, has been seeking customers for its own factories in the US.

WASHINGTON - Taiwan Semiconductor Manufacturing Co. (TSMC), the world’s biggest semiconductor manufacturer, will invest $100 billion in the United States, President Donald Trump announced on Monday. "This is a tremendous thing for our country," Trump said on Monday.