My guess is some one is liquidating for a tax loss, and adding Koolaid trades called wash trades to the mix to stir up buyers? But I could be wrong. It could be insiders quietly accumulating??? For pending news???? https://ih.advfn.com/p.php?pid=staticchart&s=ESPH&p=2&t=17&width=288&height=147&vol=1&delay=1