Chip stocks plummeted Friday amid anxiety that the semiconductor industry has entered a downcycle, though analysts differ on just how broad-based any decline might be. semiconductor stocks take nosedive after company warning, Microchip Technology warning cites downcycle, semiconductor industry correction, distributor inventories pile up, analysts differ on impact of semiconductor warning Chip stocks plummeted Friday amid anxiety that the semiconductor industry has entered a downcycle, though analysts differ on just how broad-based any slowdown might be.