A new group of stocks is transforming global equities markets. Meet ‘Memi,’ the $3 trillion sector fueled by AI’s insatiable hunger for memory chips

A new stock sector called 'memi'—combining memory and semiconductors—is driving growth in global equities due to AI's demand for memory chips. Micron Technology, SK Hynix, and Samsung, the top memory-chip manufacturers, have seen significant stock gains and trillion-dollar valuations, though risks arise if tech companies reduce spending.