Several stocks such as Titan Company, Dr Reddy's Laboratories, Tata Motors, JSW Steel and NTPC have reached their 52-week highs as Nifty breached the 19,000 mark. Dr Reddy's Laboratories has impressed investors with its stock price reaching Rs 5,119.40 and a PE ratio of 18.9. Titan Company's expertise in luxury goods has driven its stock price to Rs 3,044.40 with a high PE ratio of 82.8. Tata Motors and JSW Steel also experienced significant surges, while NTPC offers value proposition for investors. This surge reflects the positive sentiment in the market.