ESS is up 117% in the last 12 months PLS is up 51% in the last 12 months
If you choose arbitrary time periods you can get whatever result you want.
Don't get me wrong, I'm not happy with our current share price. Anyone holding long term needn't worry though. This is a volatile industry and sentiment swings dramatically both ways.
ESS Price at posting:
36.5¢ Sentiment: Buy Disclosure: Held