
British oil and gas company Harbour Energy's HBR.L shares down 11.1% to 173.4p, hit all-time low
Stock among top losers on FTSE mid-cap index .FTMC, which is down 4.4%
Harbour Energy's shares top loser on UK oil and gas index .FTNMX601010, which is down 7.1%
Oil prices fell to their lowest level since 2021, with commodities including natural gas also declining, as China retaliated against U.S. President Donald Trump's tariffs
UK oil and gas index's other constituents BP BP.L and Shell SHEL.L down 7.4% and 7%, respectively
Including session's losses, HBR down 32.1% YTD