** S&P 500 .SPX rises 0.6% in volatile trading as SpaceX's SPCX.O historic debut commands attention .N

** Dow .DJI and Nasdaq Composite .IXIC both lift 0.7%

** S&P 500 defends key line, Nasdaq holds 50-DMA as bulls push for recovery

** Nearly every sector elevates: Materials and Consumer Staples operate at maximum thrust, while just Energy and Communication Services descend

** Consumer Staples .SPLRCS ascend 2.6%. J.M. Smucker SJM.N vaults after packaged food maker's quarterly, annual profit forecast beat

** Industrials .SPLRCI up 1.1%. Trucking firms like FedEx Freight FDXF.N, J.B. Hunt JBHT.O slip on Weds after Amazon AMZN.O launches less-than-truckload (LTL) freight offering

** Tech .SPLRCT up 0.5%. Intel INTC.O jumps after report Alphabet's GOOGL.O Google taps it to make three million in-house chips, while Nvidia NVDA.O evaluates INTC's technology

Semiconductor index .SOX surges 9.4%

Apple AAPL.O unveils long-delayed overhaul of Siri to close AI gap with tech rivals, but stock drops as Wall Street analysts say catchup will be a marathon, not a sprint

Oracle ORCL.N slides on hefty 2027 AI spending, debt and equity raise plans

Super Micro SMCI.O tumbles on $7 bln targeted equity raise to meet surging AI server demand

Energy .SPNY falls 0.4%. Group tracks declining oil prices after President Trump cancels planned strikes against Iran O/R

** Communication Services .SPLRCL sink 1.9%. Satellite communications co EchoStar SATS.O, owner of SpaceX shares, slides after they begin trading

** Meanwhile, Elon Musk's SpaceX soars after record $75 billion IPO

** SPX performance YTD:

Energy	27.0%
Tech	17.5%
Industrials	13.4%
Materials	13.2%
Real Estate	12.5%
Staples	10.3%
SPX	8.6%
Utils	3.7%
Comm Svcs	2.8%
Healthcare	-0.9%
Discretionary	-1.9%
Financials	-2.9%