ISLAMABAD: The weekly inflation measured by the Sensitive Price Indicator (SPI), witnessed a decrease of 0.79 percent for the combined consumption groups during the week ended on April 18, the Pakistan Bureau of Statistics (PBS) reported on Friday. According to the PBS data, during the week, out of 51 items, prices of 22 items increased, 11 items decreased and 18 items remained stable. The items that recorded an increase in their average prices …