New Delhi, July 21 -- Shares of International Business Machines Corp (IBM) have witnessed one of their sharpest and most prolonged sell-offs in recent times, tumbling to a multi-quarter low as investors rushed to exit the stock after the company issued a cautious sales outlook.

The retreat in the AI-led rally on Wall Street further weighed on sentiment, bringing the stock's recent winning streak to an end. Over the past five trading sessions, IBM shares have plunged 26.5%, closing at $211 on Monday.

The bulk of the losses came on 14 July, when the stock slumped 25%, its biggest single-day decline since at least 3 January 1968, after the company reported preliminary second-quarter revenue that missed analysts' expectations.

IBM attribut...