India, Sept. 22 -- Shares of Ather Energy surged as much as 5.1% to touch an all-time high of INR 614.75 during the intraday trading on the BSE today.

However, the stock pared most of the gains to close 1% higher at INR 590.4. The company's market capitalisation stood at INR 22,374.56 Cr (around $2.5 Bn) at the end of the session, with a market volume of 34 Lakh.

Ather defied the broader market downtrend, as the Sensex closed 0.5% lower at 82,159.97 today.

Notably, shares of Ather have been rallying for the past month. The stock has delivered a return of 41.8% in the last month against Nifty Automobile index's 7.2%. The rally comes on the back of GST rationalisation, which has boosted the automobile sector on the hopes that reduction i...