Big movers on D-Street: What should investors do with Paytm, Nucleus Software and Aarti Drugs?

The Sensex rose by 147 points to close above 81,000, while Nifty ended above 24,800, in line with global markets. Stocks in focus include Paytm, which fell 3.14%, Nucleus Software, which declined 6.04%, and Aarti Drugs, which surged 6%. Expert advice includes waiting for dips before investing in these stocks.