Yes, I'll look to buy another ST/DT if the volume stays up and/or we near the 30th Sep FDA decision.
The COVID trial should have news soon too, there is plenty for holders. I do hold MSB long term, in addition to trading it.
Re the tax - I'm just cognisant that buying and selling within a year has the full capital gain subject to your tax rate - if I have a very profitable trading year I need offsets and to have some left to pay the taxman mid year.