(If you find something out about the Substance Stock, you might also discover what kind of experiments the Stella Corporation is carrying out.)

(Examine the Substance Stock.)
(The key you obtained after defeating Shiamon let you access the Substance Stock[pl:"Stocks"]. Inside you found a Dramata egg which appears to have been broken in the fighting.)

(A Dramata egg in the Substance Stock... What does the Stella Corporation want with it?)

(This seems to be a clue as to the Stella Corporation's true intentions. You should tell Helper Kyle about the Substance Stock, as he's very interested in the Stella Corporation machinations.)
The Stella Development Laboratory is experimenting on Dramata eggs?

Dramata eggs... what do they hope to gain?

I get the feeling that's an important clue. I'll bear it in mind.

You've given us a new lead, Player. Thank you very much.