New Delhi, 18 September (NNS): During the previous week, black pepper markara held stable at Rs 675 per kg due to the sluggish buying at the higher level. Recently, the prices have gone up by Rs 10/15 per kg. The arrivals and prices held stable at the level of the previous day owing to the sluggish trading activities. The spot black pepper prices may likely to remain sluggish during the coming days.