Spot rubber declined on Thursday. RSS 4 slid to ₹129(130) a kg, according to traders and the Rubber Board. The grade was weak at ₹126 (₹127) according to dealers. The trend continued to be mixed. June futures surrendered to ₹126.30 (₹128.27), July to ₹126.74 (₹129.20) and August to ₹126.70 (₹128.55) on the National Multi Commodity Exchange. RSS 3 (spot) dropped to ₹115.22 (₹116.59) at Bangkok. May futures closed at ¥157.9 (₹96.83) on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 129 (130); RSS-5: 126 (127); Ungraded: 107 (110); ISNR 20: 115 (115) and Latex (60% drc): 101 (101).