Reuters Market Eye – Tata Motors shares get 2.7 pct after July-Sept earnings. Key system Jaguar Land Vagabond’s operating margin at 19.4 percent bests some estimates – investors. A lot better operating revenue led by strong margins in JLR greater than compensates for greater losses in domestic business – Jefferies. Tata Motors should increase equity capital to fortify its debilitated balance sheet, Jefferies included. Kotak raises its price target on Tata Motors to 680 rupees from 570 rupees. (Reporting by Abhishek Vishnoi)Investment & & Business InformationFinanceTata MotorsJaguar Land Roveroperating margin