Funso (Chichewa): Ndi kampani iti yomwe inasonyeza kusiyana kwakukulu pakati pa mtengo wake wokwera ndi wotsika wotseka?
Question (English): Which company showed the largest difference between its maximum and minimum closing prices?
Table: mse_daily (difficulty: medium)
SQL: SELECT company_name, (MAX(close_price) - MIN(close_price)) FROM mse_daily GROUP BY company_name ORDER BY (MAX(close_price) - MIN(close_price)) DESC LIMIT 1;
Result: [('Standard Bank Malawi', 11003.61)]