Brokerage firm Macquarie has placed an underperform rating on Zomato, signaling caution on the stock. In contrast, Citi has upgraded Ramco Cement to a “Buy” rating, reflecting optimism about the company’s prospects. Brokerage firm Macquarie has placed an underperform rating on Zomato, signaling caution on the stock. In contrast, Citi has upgraded Ramco Cement to a “Buy” rating, reflecting optimism about the company’s prospects. Economic Times