New Delhi, 16 April (NNS): The trading activities reported to be affected due to the increment in the temperature in Kochi. The arrivals reported to be sluggish and the prices held stable at the same level of the previous day in Kochi. The prices of black pepper markara remained stable at Rs 765 per kg. Recently, the prices have declined by Rs 10 per kg. The market sentiments may affect because of the weak availability than the normal level. There is no possibility of long downfall in the spot black pepper prices during the coming days.