Big movers on D-Street: What should investors do with Power Grid, IEX and Tech Mahindra?

Benchmark Sensex reached 85,000 and Nifty crossed 26,000 for the first time before closing flat in a volatile session. Power Grid rose 2.77%, IEX declined 11.5%, and Tech Mahindra increased nearly 2%. Analyst Riyank Arora provides recommendations for these stocks as the market resumes trading.