18 Dec 2025 Silver stocks Black Bear Minerals (ASX: BKB) Surges 20%: Is This Silver Stock Worth Buying? Black Bear Minerals (ASX: BKB) surged 20% after successfully launching on the US OTCQX market under ticker BKBMF on December 16, 2025, coinciding with the launch of its maiden drilling… ByUjjwal Maheshwari