New Delhi, 09 June (NNS): Here, the trading activities reported to be sluggish in Kochi mandi due to the ongoing monsoon in Kerela. There, its and the prices held stable at the same level of the previous day. Here, the prices of black pepper markara remained stable at Rs 780 per kg because of the sluggish offtake. Recently, the prices have improved by Rs 5 per kg. The spot black pepper prices will likely to remain sluggish during the coming one or two days.