New Delhi, 28 May (NNS): The prices of dry ginger held firm at Rs 39000 per quintal because of the sluggish sale at the higher level. Recently, the prices have gone up by Rs 500 per quintal. Presently, both the arrivals and the prices held stable at the same level of the previous day in Kochi. The spot dry ginger prices will likely to remain strong during the coming one or two days.