Chip makers and tech investors such as Samsung and SoftBank plunge as global investors fret over potential interest rate hikesBusiness news – live updatesLarry Elliott: the global economy is muddling through. But a storm is comingAn accelerating sell-off of AI-linked shares has hit global markets, as fears over rising inflation and future interest rate hikes spooked traders already wary of the heavily indebted sector.South Korea’s benchmark Kospi 200 index, which is heavily skewed towards th