** India's Ather Energy ATHR.NS open higher, but reverses to trade down nearly 3% in first day of trading
** The stock listed at 328 rupees on NSE, a 2.2% premium to its 321-rupee issue price
** Stock last trading at about 312.50 rupees
** Listing was along expected lines as issue was aggressively priced, especially when benchmarked against peer Ola Electric OLAE.NS, says Prashanth Tapse, senior VP (Research) at Mehta Equities
** More than 9 million shares changed hands as on the day
(Reporting by Vivek Kumar M)
((VivekKumar.M@thomsonreuters.com;))