INDIAN Prime Minister Narendra Modi looked set to retain power at the head of a ruling coalition, but his Hindu nationalist party lost its outright majority for the first time in a decade as voters defied predictions of another landslide. The outcome spooked investors, with stocks falling steeply as emerging results showed that Modi would, for the first time since sweeping to power in 2014, depend on at least three disparate regional parties whose political loyalties have wavered over the years. This, analysts say, could introduce some uncertainty into policymaking after a decade in which Modi has ruled with an authoritative hold. Modi's Bharatiya Janata Party…