B2Gold stock drops after hours as 2026 cost forecast jumps despite record revenue
B2Gold shares fell about 8% after hours Wednesday, closing at $4.94, after the miner forecast 2026 all-in sustaining costs of $2,400–$2,580 per ounce, up from $1,754 in Q4 2025. The company reported record 2025 revenue of $3.06 billion and Q4 gold output of 303,029 ounces. Adjusted Q4 earnings and revenue missed analyst estimates. A results call is set for 11 a.m. ET Thursday.