Futures contracts of coriander on the NCDEX hit the 4% upper circuit today as investors covered their short positions after prices slipped to a four-and-a-half-year low of 4,535 rupees per 100 kg. The most-active June contract was at 4,807 rupees per 100 kg, up 3.7% from the previous settlement. Decline in supply in the physical markets also boosted sentiment. Arrivals in Rajasthan were 4,300 bags (1bag=40kg) down 2,200 bags from the previous day.