First, the ptsc correlation... They did spike to about $2.50 on news of significant early settlements and did not drop to current levels as a result of those early wins. They have had a lot of water under the bridge since. While they might have been a similar story early on, currently they are a very confusing entity, to say the least.
I see EDIG being very close to where ptsc was right before it spiked.
And it is always wise to take some profits along the way when deemed appropriate in real time depending on market conditions and company revelations, while perhaps holding a partial position to partake in any further upside movement.
Good advice you gave..I agree.