The value of some shares has appreciated considerably after the last budget.

Answer: Option B

Changed : make or become different.
Increased : become or make greater in size, amount, or degree.
Decreased : make or become smaller or fewer in size, amount, intensity, or degree.
Crashed : (of a vehicle) collide violently with an obstacle or another vehicle.
Appreciated : rise in value or price.

Synonym of Appreciated is Increased