** Shares of mortage lender PennyMac Financial Services PFSI.N fall 2.76% to $90.82

** UBS cuts PT on PFSI to $111 from $145, still a 19.2% upside to the stock's last close

** Cites disappointing 4Q earnings; adds while valuation has improved following Friday’s sell off, brokerage is not yet ready to get more constructive on shares

** PFSI posted Q4 revenue and adj. pretax profit below estimates on Thursday, according to LSEG data

** 6 of 9 analysts rate stock "strong buy" or "buy" and 3 "hold"; median PT is $135.50

** Including session's moves, PFSI down 10.4% in the last 12 months

(Reporting by Pragyan Kalita in Bengaluru)

((Pragyan.Kalita@thomsonreuters.com;))