Spot rubber declined further as major consuming industries continued to sideline the market on Wednesday. RSS 4 slid to ₹128 (₹129) a kg, respectively according to traders. The grade weakened to ₹129 (₹130) and ₹126 (₹127) respectively, according to the Rubber Board and dealers. September futures concluded at ₹125(₹124.47), October at ₹114.99 (₹115.36), November at ₹113 (₹112.85) and January at ₹113.75 (₹114.03) on the National Multi Commodity Exchange.RSS 3 (spot) closed marginally higher at ₹108.84 (₹108.77) at Bangkok. September futures firmed up to ¥158.5 (₹102.78) on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 128 (129); RSS-5: 120 (121); Ungraded: 105 (105); ISNR 20: 103 (104) and Latex (60% drc): 74 (75).