Spot rubber resumed the downward journey as it continued to remain under pressure on buyer resistance. RSS 4 weakened to ₹104.50 (₹105) a kg, according to traders and the Rubber Board. The grade dropped to ₹101.50 (₹102) as reported by the dealers. December futures slid to ₹105.25 (₹105.32), January to ₹ 105.15 (₹105.82) on the National Multi Commodity Exchange. RSS 3 (spot) improved to ₹86.73 (₹86.24) at Bangkok. December futures closed at ¥164.3 (₹ 89.11) on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 104.50 (105); RSS-5: 102.50 (102.50); Ungraded: 93(93); ISNR 20: 85.50 (86) and Latex (60% drc): 78 (78).