Tyre shares gain; falling oil, rubber prices may boost margins
Reuters Market Eye - Apollo Tyres gains 3.2 pct, JK Tyre and Industries rises 4.6 pct and Ceat Ltd gains 7.6 percent.
Traders say operating margins may increase further as key raw material prices decline.
Natural rubber prices in the local market are near five-year lows.
Brent drops towards $81 as oil glut worries counter disruption risks.
Crude prices have dropped by over 25 pct since June.
(Reporting by Abhishek Vishnoi)