Mumbai, June 16 -- Jaguar Land Rover Automotive PLC, the UK-based subsidiary of Tata Motors Ltd, did not give revenue guidance to its investors, even as it projected that operating profitability would suffer in 2025-26 due to US tariff hikes and a slowdown in the Chinese market.

Tata Motors' shares went into a tailspin, falling 4% during trading hours on Monday after JLR's commentary.

The company, which contributed 71% to its parent's total revenue and 79% to its total operating profit in 2024-25, has guided for operating profit margin in the range of 5-7%, which is lower than 8.4% it recorded in the last fiscal, as it would face higher tariffs in North America, its largest market.

In its previous presentations to investors, it had pro...