Cisco stock falls 12%+ as rising memory prices put pressure on the networking company's margins; it is the stock's worst day since 2022 (Lola Murti/CNBC)

Lola Murti / CNBC: Cisco stock falls 12%+ as rising memory prices put pressure on the networking company's margins; it is the stock's worst day since 2022  —  Cisco Systems shares plunged as much as 12% Thursday as rising memory prices put pressure on the networking company's margins.  It's the stock's worst day since 2022.

Cisco stock falls 12%+ as rising memory prices put pressure on the networking company's margins; it is the stock's worst day since 2022 (Lola Murti/CNBC)
Lola Murti / CNBC: Cisco stock falls 12%+ as rising memory prices put pressure on the networking company's margins; it is the stock's worst day since 2022  —  Cisco Systems shares plunged as much as 12% Thursday as rising memory prices put pressure on the networking company's margins.  It's the stock's worst day since 2022.