Cisco Stock (CSCO) Today, 20 November 2025: New 52‑Week High, Quantum Alliance With IBM and Big AI Bets
Cisco shares swung from a new 52-week high above $80 to close at $75.5, down 3.7% Thursday, with trading volume well above average. The drop followed news of a quantum-computing partnership with IBM, an investment in World Labs, and new AI infrastructure initiatives. The stock remains up 30–40% over the past year, near dot-com-era highs, with a market cap around $300 billion.