New Delhi, 09 April (NNS): The prices of black pepper markara remained stable at Rs 775 per kg owing to the weak sale even after the uptrend during the previous days. Recently, the prices have improved by Rs 5 per kg. Both the arrivals and the prices held stable at the same level of the previous day in Kochi. The market sentiments may affect because of the sluggish trading activities. The spot black pepper prices will likely to remain strong during the coming days.