* IMF raises Latin American growth forecast for 2024 * Latam Airlines upgrades earnings outlook * MSCI's Latam FX index up 0.1%, stocks down 0.1% (Updated at 1852 GMT) By Shashwat Chauhan, Pranav Kashyap and Johann M Cherian Oct 22 (Reuters) - Most currencies in resources-rich Latin America rose on Tuesday, with Chile's peso in the lead as prices of crude oil and copper, some of the region's top exports, rose, while focus was also on the U.S. presidential elections in two weeks. Copper producer Chile's peso firmed 0.6% as...