New Delhi, 06 September (NNS): The prices of copra in bags fell down by Rs 500 to Rs 13000 per quintal owing to the weak offtake at the sluggish prices. Recently, the prices have gone up in the same ratio. The supply gets improved in the producing areas due to the attractive prices and lack of rainfall. Due to this, the market sentiment may affect. There is no possibility of uptrend in the prices during the coming days.