Spot rubber continued to rule weak on declining overseas futures. RSS 4 finished flat at ₹112 a kg, according to traders. The grade dropped to ₹112 (₹113) and ₹109 (₹110) respectively, according to the Rubber Board and the dealers. September futures improved to ₹112.84 (₹111.46) and October to ₹112.64 (₹111.55) on the National Multi Commodity Exchange. RSS 3 (spot) declined to ₹92.77 (₹93.46) at Bangkok. August futures closed at ¥165.5 (₹90.76) on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 112 (112); RSS-5: 107(108); Ungraded: 95 (96); ISNR 20: 99 (100) and Latex (60% drc): 79 (80).