Benchmark equity indices of India, Nifty and Sensex, traded higher at noon following positive sentiment from Wall Street.InterGlobe Aviation (IndiGo) shares rose as a recent report upgraded the stock to 'buy' with a higher target price.Tata Investment shares surged amidst buzz of the upcoming IPO of Tata Capital.Sagility India continued its rally with an 'overweight' coverage initiation from JPMorgan.