Spot rubber made all round declines on Wednesday. RSS 4 dropped to ₹138 (138.50) a kg according to traders and the Rubber Board. The grade slid to ₹135 (135.50) according to dealers. August futures firmed up to ¥.206.6 (₹118.96) from ¥.205.0 (₹118.04) a kg on TOCOM. Spot rubber rates (₹/kg) follow: RSS-4: 138 (138.50); RSS-5: 135 (135.50); ISNR 20: 129 (129.50) and Latex (60% drc): 90 (91).