The unfortunate part is many people look at Zuck as the "boy who cried wolf". After holding the market in suspense for the big search announcement, people are not going to listen.
The big reason for the current price is not the earnings but the potential for spending this year. A speech will not pull FB out of the rut. FB will have to show the market that it is capable of revenue growth this year. Quite frankly, I don't know what FB can do now to compel the market until earnings time.