quebecor inc said wednesday that it has increased the scope of its share buyback to nearly double to 68 of its public float the quebecbased diversified media and telecommunications company said it has amended its normal course issuer bid or ncib to increase the number of class b subordinate voting shares that it may repurchase to 10 million or 68 of its public float previously the ncib had a scope of 6 million shares or 36 of its public float at tuesdays closing price of 4171 canadian dollars us2472 the value of the new total of shares to be repurchased is around c3171 million the ncib began on aug 15 2021 and expires on aug 14 of this year