Australian-listed law firm, Slater & Gordon saw its share price lose over half of its value on Thursday after U.K. government announced changes to payouts for personal injury claims.

Slater & Gordon shares crashed to a record low, closing down 52 percent at 94 cents ($0.67) after U.K. Chancellor George Osborne revealed plans to restrict cash payments for whiplash claims, in his annual Autumn Statement and spending review on Wednesday.