New Delhi, 20 August (NNS): The sale of copra reported to be sluggish at the higher prices. As a result, here, the prices of copra in bags held stable at Rs 34000 per quintal. Recently, the prices have gone up by Rs 1000 per quintal. The market sentiments may affect due to the decrement of 5 percent in Sri Lanka. The spot copra prices will like to remain strong during the coming days.