Tata Motors stock has witnessed a sharp decline, dropping from its peak of 1100 to below 700. Despite this downturn, Prashanth Tapse, Research Analyst at Mehta Equities, sees a strong buying opportunity for medium to long-term investors. He recommends accumulating the stock in the 660-680 range, citing robust performance in January and attractive valuations. The current price levels, he notes, present a compelling entry point for investors looking at long-term gains.