** Shares of British telecom firm BT Group Plc BT.L fall as much 3% to 157.35p

** Stock is second-biggest loser in FTSE 100 .FTSE index

** Barclays downgrades BT to "underweight" from "equal-weight", cuts PT to 150p from 190p

** Brokerage cites expected market share losses due to increased competition in UK broadband market

** Analysts note on Openreach, co's network infrastructure business, lost customers in 2024 due to fierce competition, and remain cautious about co's ability to slow these losses

** In January, co reported adding record connections to its fibre network in Q3, but faced challenges due to drag from business unit and lower handset sales

** Average rating is equivalent of "buy", with a median PT of 185p - LSEG

** Stock up ~10% so far this year

(Reporting by Rashika Singh in Bengaluru)

((rashika.singh@thomsonreuters.com))