Don't expect a leopard to change its spot.
One can observe the pattern - that following an announcement, sp is ramped up (someone mops up all the shares in one fell swoop), the reef fishes follow and hi, presto - selling emerges. Sp declines backwards.
'Move 'em up, Sell 'em down!'
Separately, don't ignore the fact that there's around 14m of PLX shares issued on 1 April 2019 (4 months ago) at 12c. :D
https://www.nzx.com/announcements/332758
"During the year ended 31 March 2019, all of the note holders chose to convert to equity on either the 4 April 2018 or 29 March 2019. As a result, the convertible note liabilities on the balance sheet have been extinguished and 13,942,171 shares have been issued at a price of 12 cents." :t_up: