Besides, a weak trend in global market too negatively impacted sentiment.
Marketmen said besides persistent offloading by speculators, weakness in its prices at spot markets on mounting stocks on higher supplies and muted demand also weighed on prices.
They said muted export demand too also put pressure on prices.
At the National Commodity and Derivative Exchange, guargum for delivery this month lost another Rs 139 or 1.72 per cent to Rs 7,960 per quintal, having an open interest of 19,935 lots.
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