MMs have been doing those huge "fake" BIDs the last month or so. Experience tells me they are "spoof" BIDs. Example a ticker with 5M total volume for the day and all of a sudden a 25M BID pops up and usually with just one MM.
(0)
(0)
Sojourner here following God, obeying God, and cleaving to Him. The journey is onward.