<invoke name="query_sql"> <parameter name="sql">SELECT company_name, row_count, close__min, close__median, close__avg, close__max, ROUND(close__max/close__min,1) AS max_to_min_ratio, volume__avg FROM semi_conductor_se_by_company_name WHERE close__min > 0 ORDER BY close__max/close__min DESC LIMIT 20</parameter> <parameter name="purpose">Show how close price varies across companies using a currency-neutral max/min ratio</parameter> <parameter name="source">gold</parameter> </invoke>