Shares of Delta Corp gained as much as 4.5 per cent in early trade on Tuesday.
At 10.30 am, the stock was trading at Rs 100.15, up 1.40 points or 1.42 per cent.
According to exchange data, investor Rakesh Jhunjhunwala has bought 1.24 million shares, or 0.5 per cent of the company's total equity.
Jhunjhunwala and his wife Rekha already own 6.72 per cent stake. Investments by big investors like Jhunjhunwala create bullish sentiment in the respective counters, according to traders.