You're presenting that as evidence of manipulation? Too funny!!
It's simply amazing, you can look at a list of brokers with numbers after their names and you can discern who's doing what and how much they made, who's manipulating and who's not. Face it, you have no idea who these brokers represent or their customer's reasons for trading. Nobody said individual penny stocks haven't seen manipulation in the past but you specifically said that Lexaria was being manipulated and that you knew who the crooked brokers are, yet you provide no proof.
Higher volume on Friday probably represents capitulation selling by long-suffering shareholders while others see a 52 week low and talk of uplisting whilst the MJ sector rallies as a good time to buy. JMHO though.