Shares of Jubilant FoodWorks, which owns Domino's pizza franchise in India and a few other countries, tanked 6% to Rs 495 in Thursday's trade on BSE after the firm reported a 39.5% year-on-year (YoY) drop in its standalone September quarter profit at Rs 72.1 crore. It was Rs 119.2 crore in the year-ago period.