Gold mining shares came under pressure on Monday after bullion prices fell below $4,300 an ounce for the first time this year, extending a sharp month-long sell-off in the precious metal. Among London-listed miners, Hochschild Mining PLC (LSE:HOC, OTCQX:HCHDF, FRA:H3M) fell 2.6%, Atalaya Mining Copper (LSE:ATYM, TSX:AYM) lost 2.25%, Endeavour Mining PLC (LSE:EDV, TSX:EDV, OTCQX:EDVMF, FRA:6E2) dropped 1.4% and Fresnillo PLC (LSE:FRES) was down 1.2%.