It is possible Btc can be added in wall street,if that what wilk be .
Hmm,it is really hard question to answer actually.
But we really see that bitcoin industry is getting bigger and bigger every year,which means that bitcoin will be available in more and more places.
That's why i think we will have is at Wall Street.
We can already see bitcoin at many forex exchanges,for example XM.com got it (at least it had when i was trading there ),markets.com too