Cisco Stock (CSCO) Today, 20 November 2025: New 52‑Week High, Quantum Alliance With IBM and Big AI Bets
Cisco Systems (NASDAQ: CSCO) spent Thursday, 20 November 2025, at the center of the AI and quantum‑computing narrative — and on a roller coaster in the stock market. The networking giant’s shares opened around $79.2, surged to a new intraday 52‑week high just above $80, then reversed to finish near $75.5, down roughly 3.7% on the day. StockAnalysis+2Investing.com+2 That sharp intraday swing came as Cisco unveiled or was tied to three major pieces of news: Layer on upbeat but cautious Wall Street research, and CSCO is now trading near price levels last seen around the dot‑com era — with investors debating whether the AI‑driven rally still has