Billionaire investor Rakesh Jhunjhunwala made a gain of over ₹900 crore within a few minutes on Thursday as Titan Company's shares hit all-time highs in early trade. Jhunjhunwala and his wife Rekha own 4.8% stake in the Tata Group company. Titan reached a market capitalisation of around ₹2.09 lakh crore, taking the value of Jhunjhunwalas' stake to over ₹10,000 crore.