** U.S.-listed shares of Chinese brokerage firm UP Fintech
fall 7.1% to $6.91 premarket
** TIGR plans to sell 15 mln American Depositary Shares $(ADS.AU)$ in a follow-on public offering
** Proceeds will be used to strengthen TIGR's capital base and to invest in its business
** Stock closed up 3.1% at $7.44 on Monday
** Deutsche Bank, CICC, and US Tiger Securities are the joint bookrunners for the offering
** As of last close, TIGR stock was up 68.3% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))