มูลค่าตลาดสูงสุดและต่ำสุดของบริษัทคือเท่าใด?
What is the maximum and minimum market value of companies?
df = pd.DataFrame(columns=['Market_Value_in_Billion'])
{'max': df['Market_Value_in_Billion'].max(), 'min': df['Market_Value_in_Billion'].min()}