Global indices are soaring, helped by a decline in this index! Here's why! Global indices are soaring, helped by a decline in this index! Here's why! It tracks periodical changes in prices and is thus monitored closely by policy decision-makers, analysts, businesses and consumers. Mandar Wagh / Friday, November 11, 2022 / Article rating: 4.9 It tracks periodical changes in prices and is thus monitored closely by policy decision-makers, analysts, businesses and consumers.