If you watch L2 closely you will see how mm place a bid or ask offer for 10K and even when that price is hit the 10k remains constant. They may have a considerable more and in some cases millions more that they are either trying to buy or sell. Many times it will throttle the active movement of the stock as it is hard to determine the upward or downward trend. Currently on INCC the mm seem to be letting the natural flow occur.
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