Global broking firm Jefferies raised its target price on low-cost carrier InterGlobe Aviation, noting that the IndiGo parent is a 'unique, strong' franchise, with a dominant market share of over 60 percent in domestic air travel. The brokerage hiked its target price on IndiGo shares to Rs 5,260 per share, up from Rs 5,100 earlier, indicating a 23 percent upside from current levels.