IBM launches sub-1 nanometer chip technology, leading to a 4.5% increase in pre-market stock price in the US stock market

According to MSX data, IBM's US stock market rose 4.5% before trading. IBM launches the world's first sub-1 nanometer chip technology, with a new chip design that improves performance by up to 50% and energy efficiency by 70% compared to 2-nanometer process chips.