July 23 (Reuters) - U.S. stock index futures dipped on Thursday as concerns over heavy AI spending resurfaced after the first batch of Big Tech earnings, while another jump in oil prices linked to the widening Middle East conflict weighed on sentiment. .N

** Rentokil Initial PLC RTO.N:
BUZZ - Falls after US peer Rollins misses quarterly estimates nL6N43P0LD

** Alphabet Inc GOOGL.O:
BUZZ - Falls after spending surge sparks concerns over AI returns amid Gemini delay nL4N43P0M0

** Honeywell International Inc HON.O:
BUZZ - Gains ahead of post-spinoff, post-stock split quarterly results nL6N43O15O

** Molina Healthcare Inc MOH.N:
BUZZ - Falls on pressure in Obamacare business nL4N43P0S5

** Exxon Mobil Corp XOM.N:

** Chevron Corp CVX.N:

** Occidental Petroleum Corp OXY.N:

** ConocoPhillips COP.N:
BUZZ - US energy companies gain on rising oil prices as US-Iran hostilities threaten supply routes nL4N43P0U2

** Teck Resources Ltd TECK.N:
BUZZ - Rises after Q2 profit beats estimates nL4N43P0US

** Thermo Fisher Scientific Inc TMO.N:
BUZZ - Rises after beating quarterly results estimates nL4N43P0YR

** Dow Inc DOW.N:
BUZZ - Gains on Q2 profit beat nL4N43P0ZB

** Comcast Corp CMCSA.O:
BUZZ - Rises after Peacock streaming service posts first ever profit nL4N43P0YP

** QuantumScape Corp QS.O:
BUZZ - Dips after quarterly results nL4N43P11D

** Rollins Inc ROL.N:
BUZZ - Plunges after Q2 revenue, profit miss nL6N43P0T6

** Matador Resources Co MTDR.N:
BUZZ - Gains on $1.3 billion acquisition of Paloma Permian nL4N43P14E

** Tesla Inc TSLA.O:
BUZZ - Slides after Q2 profit miss, first cash burn in over 2 years nL4N43P0T7

** West Pharmaceutical Services Inc WST.N:
BUZZ - Rises after raising annual forecasts nL4N43P186

** RTX Corp RTX.N:
BUZZ - Surges after raising full-year forecast nL6N43P0U4

** Quest Diagnostics Inc DGX.N:
BUZZ - Climbs after raising annual profit forecast nL4N43P18Z