** Shares of satellite communication firm AST SpaceMobile

fall 12.9% to $23.35

** Company, on Thursday, posted Q3 rev. of $1.10 mln, missing ests. of $24.13 mln, according to data compiled by LSEG

** Reported quarterly loss of $171.95 mln, or $1.10/shr, compared with a loss of $20.91 mln, or 23 cents/shr last year

** Jeff Bezos' rocket firm Blue Origin signed a multi-launch deal with ASTS to deploy the company's direct-to-cellular satellites "over a multi-year period" using Blue's New Glenn rocket, companies announced Thursday

** Scotiabank cuts ASTS stock PT to $44.7 from $45.9, says the only bit of negative news was that satellites are now guided to cost $19 mln to $21 mln, up from $16 mln to $18 mln; adds, some of this should be offset by lower funding costs

** Brokerage believes ASTS is practically funded today to reach the critical 25 satellites guided to generate cash flow to pay for rest of constellation needed to hit continuous service in the U.S., Europe and Japan

** Including session's move, stock has more than tripled YTD

(Reporting by Sukriti Gupta in Bengaluru)

((Sukriti.Gupta@thomsonreuters.com;))