** Shares of beverage company Vita Coco COCO.O down as much as 11.7% at $31.31

** We are short Vita Coco, with structural issues amid stalling sales and Costco contract loss- Ningi Research, in a message posted on X

** Says COCO is "nothing more than a one-trick pony" in a niche total addressable market $(TAM.UK)$

** Including session moves, COCO down 14% YTD

(Reporting by Neil J Kanatt in Bengaluru)

((Neil.JKanatt@thomsonreuters.com;))