Older fab closures by TSMC and Samsung boost smaller foundries

TSMC and Samsung's closures of older 6-inch and 8-inch fabs are reportedly benefiting smaller foundries like UMC, Vanguard (VIS), and Powerchip, with Vanguard specifically securing new client orders. This trend has led to UMC and VIS share prices reaching four-year highs on the Taiwan Stock Exchange.