** S&P 500 .SPX ends week down 0.2% as trade war fears help sack Wall Street on Fri .N

** Dow .DJI retreats 0.5%, snapping 3-week winning run, and Nasdaq composite .IXIC slips 0.5%

** For second week in a row, traders faced a Monday morning rout, but SPX finds support, rallies

** This, as the Nasdaq composite see lots of chop, as tries to avoid a bigger drop, amid an internal struggle

** U.S. 10-Year Treasury yield US10YT=RR falls to lowest level since mid-Dec, before clawing back to 4.50% area; this as it flirts with the Clouds

** In the end, however, a majority of sectors make modest gains; Consumer Staples and Real Estate hit paydirt, while Communication Services and Consumer Discretionary get blitzed

** Consumer Staples .SPLRCS rally 1.6%. Philip Morris PM.N rises to record high after forecasting annual profit above estimates

** Energy .SPNY advances 1%. Group rises as Trump set to reimpose 'maximum pressure' on Iran

** Tech .SPLRCT tacks on 0.8%. Palantir PLTR.O surges 34% as AI drives strong annual, Q1 rev forecasts

Though Apple AAPL.O supplier Skyworks SWKS.O plummets as competition dents mobile segment outlook, SWKS sheds 26%. Advanced Micro AMD.O hits 15-month low after AI chip revenue disappoints

Semiconductor index .SOX edges lower by 0.1%

** Healthcare .SPXHC off 0.3%. Merck MRK.N falls on dour 2025 outlook as it pauses Gardasil vaccine shipments to China

** Materials .SPLRCM down 0.6%. Agrichemicals producer FMC FMC.N sinks 38% as Q1 rev forecast below consensus due to weak demand

** Communication Services .SPLRCL fades 2.1%. Google parent Alphabet GOOGL.O tumbles as cloud growth concerns, heavy capex unnerve investors

** Consumer Discretionary .SPLRCD thrown for a 3.6% loss. Amazon.com AMZN.O down on Fri as cloud growth, sales forecast miss estimates

** Meanwhile, individual investors most pessimistic since early-November 2023, and this isn't just any given Sunday, it's Super Bowl Sunday!

** SPX performance YTD:

(Lance Tupper and Terence Gabriel are Reuters market analysts. The views expressed are their own)

((lance.tupper@tr.com ; terence.gabriel@tr.com))