Updates, recasts throughout

** Shares of chip co Skyworks Solutions SWKS.O plummet 25.8% to $64.80, on course for their biggest one-day pct decline on record, as competition intensifies

** SWKS shares hit lowest since Jan 2019

** Apple AAPL.O supplier late Weds said expects rev declines in its mobile segment and projected Q2 profits below estimates

** At least 8 Wall Street brokerages chop their PTs reacting to the news; Stifel downgrades to 'hold' from 'buy', Mizuho cuts to 'neutral' from 'outperform'

** TD Cowen says Skyworks on earnings call indicated lead mobile customer AAPL decided to dual source RF (radio frequency) components with a competitor, which the analysts believe is Broadcom AVGO.O

** BofA says SWKS expected to lose 20%-25% of its content in the Fall 2026 iPhone 17, a significant hit as AAPL accounts for 72% of its sales, with AVGO likely sharing this content and no guarantee of regaining it in FY27

** Also, co said current CEO Liam Griffin to step down and be replaced by Inseego INSG.O exec chairman Philip Brace, who began his career at Intel INTC.O

** Of 29 analysts covering SWKS, recommendation breakdown is 3 "strong buy" or "buy", 23 "hold" and 3 "sell" or "strong sell"; median PT of $75 down from $110 on Nov 6 - LSEG

** With move on the session, stock down about 35% over the past 12 months

(Reporting by Lance Tupper in New York and Sanchayaita Roy in Bengaluru)(Lance Tupper is a Reuters market analyst. The views expressed are his own)

((lance.tupper@tr.com 1-646-279-6380))