I don't think it will stop there 100k). When the MC will grow it will draw attention, in the case of BitShares it mean people discovering a new economical funccional tool. The fastest and one of the cheapest blockchain out there where you can actually already do stuff. It's not a project that will allow you to do something in the future, it already is. Ethereum and Steem hit big MC because they are able to serve a purpose, nowaday BitShares is the third one of the list.
As it is a economical platform it will probable go much higher... the crypto world is in desperate need for a crypto bank, decentralised and great with an exchange. Well, let's see what will happen when they discovered it exist and there is already thousands of operations daily in it ...