Driving in Your Car, You Hear That Microsoft Has Announced

Driving in your car, you hear that Microsoft has announced that they have cornered the market on Internet technology. Knowing this is great news for Microsoft, when you arrive at a phone 30
Minutes later you call your broker and are able to buy Microsoft stock before its price moves up on
The news. This is a violation of ___________ market efficiency.

A) weak form
B) semi-weak form
C) semi-strong form
D) strong form
E) TSX stock