In the example above the algorithms make sure they don't miss out on any buying, which is why you always see such big volumes in the "match" between 4:00pm and 4:10pm.
That's mostly unfilled algorithm orders looking to be fulfilled.
And in the example above, the net buying of 20,000 shares over the day will be positive for the share price, self-evidently, because it involves net buying of 20,000 shares over that single trading session.
MSB Price at posting:
$3.54 Sentiment: None Disclosure: Not Held
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