I saw this article earlier and thought it was somewhat interesting. I just looked and low and behold, here's a sale for 100 shares...????....Maybe there is truth behind the madness.......

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Reading Market-Maker Signals
See the signs and messages they send each other

Many traders believe that market makers will "signal" moves in advance buy using small amounts of buys or sells as "signals". The "signals" are from one market maker to another.

100 I need shares.
200 I need shares badly, but do not take the stock down.
300 Take (or I am taking) the price down so I can load shares
400 Keep trading it sideways.
500 Gap the stock.

This is a theory put forth by a lot of penny stock and non-penny stock traders. This is not a guaranteed trading method but can lend some insight to comarket makerunications. It can pay to watch a few market makers of your favorite stock over several days or weeks to see if they follow these or other similar signals. That way, you can divine what they are going to do and jump in ahead of any move that may come.

http://falconstocks.com/articles/readingmarketmakers.html