On March ${25}^A,2026,$ Foed unexpectedly announces it will buy$-$out tire mandacturer on September $1{?}^{th},2026.$ Fiveryone fully believes Fond. Also, everyone thinks this is a great move for Ford! What can we expect to happen to Ford stock, given what we know abost the efficient market hypodesis?

a$.$ Ford's stock value will increase March ${25}^d.$ Ford's stock value will increase September $1^{th}$

b$.$ Ford's stock value will increase March ${25}^{th}.$ Ford's stock valoe will not change much on September $1^{th}$

c$.$ Ford's stock value will not change moch on March ${25}^{th},$ Ford's stock value will increase September $1^{th}$

d$.$ Ford's stock value will not change much on March ${25}^{th},$ Ford's stock value will not change much on September $1$t