New Delhi, 14 July (NNS): The prices of copra in bags went up by Rs 500 to Rs 12000 per quintal due to the increased sale at the sluggish level. Recently, the prices have gone down by Rs 500 per quintal. The shrawan festival may likely to be start soon, but there is no wedding season, on seeing this, the market sentiments may affect. The spot copra prices may likely to remain strong during the coming days.