** Photo distributor Getty Images GETY.N shares rise 63.7% to $3.29 premarket
** Co strikes multi-year partnership with AI search startup Perplexity
** Perplexity gains access to GETY's images for its search and discovery tools
** Perplexity will improve its image display and include credit link with source to better educate users on how to use licensed imagery legally
** Up to last close, stock has fallen 7% this year
(Reporting by Anhata Rooprai in Bengaluru)
((Anhata.Rooprai@thomsonreuters.com))