** Shares of digital bank and fintech Green Dot fall as much as 18.1%; last down 17% at $10.87

** GDOT late Thursday posted Q3 adjusted profit of 13 cents/shr, missing Wall Street expectations of 17 cents/shr, according to data compiled by LSEG

** Company now expects its full-year adjusted EPS to be between $1.33 and $1.36, lower than its prior expectation of $1.45 and $1.59

** "Retail division is falling short of the improvement that we had expected, which is impacting our guidance for the rest of the year" - CFO Jess Unruh

** GDOT's number of active accounts on its platform have been impacted due to headwinds in the retail channel

** William Blair says turning around the retail division and navigating the regulatory environment could prove challenging for GDOT

** As of last close, GDOT shares up 32.3% YTD

(Reporting by Arasu Kannagi Basil in Bengaluru)

((ArasuKannagi.Basil@thomsonreuters.com;))