BNC shares fell 15.62% at the U.S. stock market close on September 10, according to BIT (bit.com) market data, before recovering 2.71% in after-hours trading to $4.55. GMGN data showed BNC4, a crypto stock traded on BSC (BNB Smart Chain), at $5.584, putting it at an approximately 23% premium to the underlying BNC stock.