They prevented the pinky MM from trying to shake out weak shares at the end of the day and reselling tomorrow I the am when volume is greatest.
By keeping bid support up and buying strong at the end. .it is a smart play. It makes it harder for the other MM to open up the bid ask spread. It's the big fish and they know what they are doing.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.