New Delhi, 12 May (NNS): The prices of black pepper markara reduced by Rs 20 to Rs 760 per kg due to the weak buying from the stockists even after the feeble prices. Recently, the prices have gone down in the same ratio. The arrivals held stable at the same level at the same level of the previous day in Kochi and the prices declined by Rs 10 per kg. The market sentiments may affect as the selling may stop from the speculators. There is a possibility of break on downfall in the spot black pepper prices during the near future.