Glenn Wilkins - Tuesday, July 27, 2021 NioCorp Developments Ltd. 10:49 AM EST - NioCorp Developments Ltd. : Has been named as a Top 10 U.S.-based mid-tier/junior mining company by Northern Miner, a leading industry publication. NioCorp Developments Ltd. shares T.NB are trading up $0.02 at $1.30.