Each of the following would tend to weaken the Efficient Market Hypothesis Exc

Each of the following would tend to weaken the Efficient Market Hypothesis Except:

A. There is publicly available information that Boeing Aircraft has procured a contract to build 25 planes for the U.S Government and the price of Boening
quickly goes up.

B. ACG Inc performed well for the past six months but they lost a major distribution contract but the price of ACG stock continue to go up.

C. Louisville Slugger Inc gets a contract to supply bats for Little League play a contract it never had before and stock price remains stable.

D. Disney corporation a growth company opens a new theme park which investors expect will do tremendously well and the stock price stays stable while
Urban Electric Company which has a set infrastructure and generates 95% of its own outperforms Disney