Fractional shares almost always arise during splits. Like 300.7 shares for example. However you are correct in the fact that ARIO rounded up in the last split. So commons should not have fractionals. My thoughts are they are from something else...... Who knows. We'll see.
Do your own DD. I take no responsibility for your losses or profits. I think of the OTC investments as monopoly money and I do not own Boardwalk or Park Ave yet.
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