BUZZ-US stocks weekly: Chip charge

** In the end, a minority of sectors power up: Tech and Energy fully juiced, while defensive names and Materials drained

** Tech .SPLRCT surges 3.4%. Chip stocks fall on Tues after Samsung 005930.KS results spark fresh AI jitters

Though Broadcom AVGO.O jumps after expanding chip partnership with Apple AAPL.O through 2031

And Micron MU.O rises on boosted $250 bln US investment plan

Semiconductor index .SOX rallies 2.7%. Dips back inside channel, but by Fri close, reclaims 10-week moving average

** Energy .SPNY up 3.2%. Sector gains as oil prices rise on Hormuz attacks O/R

Indeed, geopolitical risk lifts oil, energy stocks join the rebound, but by Fri, crude futures CLc1 fail to hold gains above key moving averages

** Communication Services .SPLRCL up 2.3%. However, Paramount Skydance PSKY.O delays Warner Bros WBD.O deal closing to July 22 amid Oregon probe; PSKY falls

** Consumer Staples .SPLRCS retreat 1.3%. PepsiCo PEP.O slides after warning of rising commodity costs in H2

Costco COST.O drops after June comp sales decelerate from May

** Materials .SPLRCM melt 2.2%. Gold miners including Newmont NEM.N fall after Trump says Iran peace deal 'over'

** S&P 500 .SPX rises second-straight week, adds 1.2% in choppy trading as Middle East tension, chipmaker SK Hynix's US listing dominate the headlines .N