Short selling NBSE

I am considering a decline in this stock "NBSE" with the opening of the US session as there is no major news behind its rise.

Perf Week 51.12%
Perf Month 30.68%
Perf Quarter -68.49%
Perf Half Y -72.49%
Perf Year -90.65%
Perf YTD -69.77%