What TSMC's $100 bn investment in the US means for Taiwan US President Donald Trump (L), with Taiwanese chip-maker TSMC's CEO C.C. Wei (R), speak to journalists at the White House (Andrew Harnik) (Andrew Harnik/GETTY IMAGES NORTH AMERICA/Getty Images via AFP) Taiwanese chip-making giant TSMC plans to invest a whopping $100 billion in the United States, after US President Donald Trump threatened to slap tariffs on overseas-made chips. Taiwan Semiconductor Manufacturing Co is the world's biggest maker of the critical technology that has become the lifeblood of the global economy. This week's announcement takes the total amount TSMC has pledged...