 "Auto battery makers gain as lead prices fall")
Shares of auto battery makers gain on expectations of better margins after prices of lead, a key raw material for batteries, tumble near October 2012 lows.
Lead prices have fallen 11.4% so far this year as of Wednesday's close.
Analysts say lead constitutes about 80% of battery makers' input costs.
Exide Industries Ltd gain 1.2% , while Amara Raja Batteries Ltd is up 1.8%.