This may be caused by miss spelling , in "teiid_rel:ON_VDB_DROP_SCRIPT" section, the name and schemaname should point to stockPricesMatView and StocksMatModel, but current looks
~~~
<model name="StocksMatModel" type="VIRTUAL">
<metadata type="DDL"><![CDATA[
CREATE view stockPricesMatView
...
) OPTIONS(
...
"teiid_rel:ON_VDB_DROP_SCRIPT" 'DELETE FROM Accounts.status WHERE Name=''stock'' AND schemaname = ''Stocks''',
~~~