RUBY...100 shares.
I copied a post from 2004 by basherhater2004 on RB who says that small lot sales by MMs are used as signals. I have no idea if this is true, but here what he said:
Signals between MMs...
100 = I need shares
200 = Ineed shares badly but don't take it down to get them
300 = Take the pridce down to get shares
400 = Trade it sideways based on Supply and Demand
500 = Gap one way or the other, usually to the direction of the 500 trade.
Again, I don't know if this is true info...but interesting to note. If the pirce goes lower tomorrow AM, well maybe the 300 shares at today's close did mean something!
dat