cashbook_investment/view/book_form.xml

<?xml version="1.0"?>
<!-- This file is part of the cashbook-module from m-ds for Tryton.
The COPYRIGHT file at the top level of this repository contains the
full copyright notices and license terms. -->
<data>

    <xpath expr="/form/notebook/page[@name='balance']/field[@name='balance_ref']"
        position="after">
        <separator colspan="4" name="quantity" string="Quantity"/>
        <label name="quantity"/>
        <field name="quantity" symbol="quantity_uom"/>
        <label name="quantity_all"/>
        <field name="quantity_all" symbol="quantity_uom"/>

        <separator colspan="4" name="current_value" string="Current valuation of the investment"/>
        <label name="current_value"/>
        <field name="current_value" symbol="currency"/>
        <label name="current_value_ref"/>
        <field name="current_value_ref" symbol="company_currency"/>

        <label name="diff_amount"/>
        <field name="diff_amount" symbol="currency"/>
        <label name="diff_percent"/>
        <group id="diff_percent" col="2">
            <field name="diff_percent" xexpand="0"/>
            <label name="diff_percent" xalign="0.0" string="%" xexpand="1"/>
        </group>

    </xpath>

    <xpath expr="/form/notebook/page[@id='pggeneral']" position="after">
        <page name="asset" string="Asset">
            <label name="asset"/>
            <field name="asset"/>
            <label name="quantity_uom"/>
            <field name="quantity_uom"/>
            <label name="quantity_digits"/>
            <field name="quantity_digits"/>

            <field name="asset_uomcat"/>
        </page>
    </xpath>

</data>