** India's top two-wheeler maker by sales Hero MotoCorp HROM.NS gains 2.3% to 4,577 rupees
** Co's first-quarter profit rose marginally, beating analysts estimate of a fall in profit, as higher exports offset weak local sales
** HROM among nine stocks trading in green on the benchmark Nifty 50 index .NSEI, which is down 0.6% after the U.S. slapped an extra 25% tariff on Indian exports .BO
** Stock biggest pct gainer on Nifty and on top of the auto index .NIFTYAUTO, which is down 0.7%
** Stock rated "hold" on avg; Baja Auto BAJA.NS, TVS Motor TVSM.NS rated "buy" - data compiled by LSEG
** Year-to-date, HROM, TVSM up ~10%, ~25%, BAJA down ~8%