New Delhi, 05 September (NNS): The prices of black pepper Markara held stable at Rs 675 per kg owing to the sluggish sale even after the weak prices. Recently, the prices have gone down by Rs 10/15 per kg. The arrivals reported to be negligible in Kochi on the prices held stable at the level of the previous day. The spot black pepper prices may likely to remain strong during the coming days.