Naphtha prices increased marginally during last fortnight due to firm energy in the market coupled with strong downstream demand in the Asia. In Asia, selling offers for Naphtha prices went up trend because of strong end-user demand trend during last fortnight. Naphtha prices went up during last fortnight due to improved downstream demand coupled with limited product availability in the region. Naphtha prices moved upward trend in Asia during 3rd week in September 2015. Spot prices of Naphtha increased due to improved the upstream energy value.