Could be All-or-none orders on the bid and/or ask. These go through only if the volume matches the order size, if the sizes on bid/ask are mismatched they can just sit there, bid=ask.
Sentiment: Strong Buy
LeRoux says Leo launches Otrexup this week. Antares could see another milestone payment on that event.
LeRoux Jooste is in charge of the Otrexup rollout, undoubtedly he will present on its progress. The fact that he is the speaker, and not Wotten or Apple, indicates me there is good news on the Otrexup front. Should be a good presentation.