Shares of Power Grid Corporation of India will be in the limelight today, a day after the company reported lower-than-expected earnings for the March quarter. The stock ended 1.4% higher on the National Stock Exchange on Monday. It is currently trading 23% above its 52-week low and 17% below its 52-week high.The power generation company’s consolidated net profit slipped marginally on year, even though revenue for the quarter under review was slightly higher.