Short-term inflation, measured by the Sensitive Price Index (SPI), was 4.92 per cent year-on-year in the week ending Nov 21 owing to surging vegetable and edible oil prices. The SPI-based inflation reversed to a modest increase after three straight weeks of decline on an annual basis. On week-on-week, it increased by 0.67pc, Pakistan Bureau of Statistics data showed on Friday. After brief st