New Delhi, 04 May (NNS): the prices of black pepper markara held stable at Rs 775 per kg owing to the sluggish buying from the stockists at the higher level. Recently, the prices have gone up by Rs 10 per kg. The arrivals reported to be negligible in Kochi and the prices went down by Rs 5 per kg. The spot black pepper prices will likely to remain sluggish during the coming one or two days.