When can we expect big news?
For exchanges.. might need to wait be forever until they find a better exchange to get TKN listed.
Of course more markets of exchange are better for community and attractive to investors. But with such prices of addition of coins of the exchanges I do not even know what to tell. Addition now expensive pleasure.
Should I invest a little bit?

In it at everyone the views and the strategy of investment. The personal record of everyone can be told. Only you are responsible for your money.
Not to ask such questions, put the money in bank better and do not worry, sleep peacefully.