Kalyan Jewellers shares jump 15% in 2 days as target prices go up to Rs 900. Should you buy?

Kalyan Jewellers shares have rallied sharply over the two sessions after brokerages raised their target prices following strong Q2 earnings and healthy festive demand. With Jefferies seeing a potential upside to Rs 900, investors are weighing the company's growth prospects against margin pressures, gold-price volatility and the stock's sharp recent gains.