Axon, Cummins, Pfizer

Wall Street's main indexes gave up opening gains on Tuesday after data showed U.S. services activity stalled, while investors continued to assess the latest batch of corporate earnings.

At 11:30 EDT, the Dow Jones Industrial Average DJI was down 0.26% at 44,056.97. The S&P 500 SPX was down 0.47% at 6,300.36, and the Nasdaq Composite< .IXIC> was down 0.51% at 20,946.27.

The top three S&P 500 SPX percentage gainers:

** Axon Enterprise Inc AXON, up 14.8%

** Leidos Holdings Inc LDOS, up 6.8%

** Palantir Technologies Inc PLTR, up 6.7%

The top three S&P 500 SPX percentage losers:

** Gartner Inc IT, down 28.1%

** Vertex Pharmaceuticals Inc VRTX, down 16.8%

** TransDigm Group Inc TDG, down 12.4%

The top three NYSE (.PG.N) percentage gainers:

** Ameresco Inc AMRC, up 38.7%

** Zepp Health Corp ZEPP, up 32.8%

** Lemonade Inc LMND, up 25.4%

The top three NYSE (.PL.N) percentage losers:

** agilon health inc AGL, down 51.9%

** Inspire Medical Systems Inc INSP, down 40.4%

** Bellring Brands Inc BRBR, down 28.6%

The top three Nasdaq (.PG.O) percentage gainers:

** CaliberCos Inc CWD, up 112.4%

** Y-mAbs Therapeutics Inc YMAB, up 103.3%

** Ontrak Inc OTRK, up 73.2%

The top three Nasdaq (.PL.O) percentage losers:

** SMX (Security Matters) PLC SMX, down 32.5%

** Ichor Holdings Ltd ICHR, down 31.1%

** AYRO Inc AYRO, down 24.5%

** Caterpillar Inc <CAT.N>:

BUZZ - Q2 EPS, revenue seen decreasing

** Hims and Hers Health Inc <HIMS.N>:

BUZZ - Drops after Q2 revenue miss

** American Water Works Co Inc <AWK.N>:

BUZZ - Falls after $1 bln equity offering

** Vertex Pharmaceuticals Inc <VRTX.O>:

BUZZ - Falls after pain drug setback

** DuPont De Nemours Inc <DD.N>:

BUZZ - Gains on upbeat Q3 forecast

** Pfizer Inc <PFE.N>:

BUZZ - Rises after annual profit forecast raise

** Zebra Technologies Corp <ZBRA.O>:

BUZZ - Advances on annual forecast hike, $1.3 billion Elo deal

** Coinbase Global Inc <COIN.O>:

BUZZ - Dips after $2 bln convertible bond sales unveil

** Gartner Inc <IT.N>:

BUZZ - Falls on annual revenue forecast cut

** Yum Brands Inc <YUM.N>:

BUZZ - Slips on downbeat quarterly results

** Henry Schein Inc <HSIC.O>:

BUZZ - Shares hit 3-month low after quarterly profit miss

** Amalgamated Financial Corp <AMAL.O>:

BUZZ - Falls after Piper Sandler cuts to 'underweight'

** GlobalFoundries Inc <GFS.O>:

BUZZ - Falls after quarterly forecast

** Molson Coors Beverage Corp <TAP.N>:

BUZZ - Slips after forecasting annual profit decline amid U.S. tariff pressures

** NioCorp Developments Inc <NB.O>:

BUZZ - US awards NioCorp unit $10 million to build scandium supply chain

** Inspire Medical Systems Inc <INSP.N>:

BUZZ - Tumbles after lowering 2025 forecast

** Axon Enterprise Inc <AXON.O>:

BUZZ - Surges to record after Q2 beat, boosted 2025 rev forecast

** Novo Nordisk A/S <NVO.N>:

BUZZ - UBS downgrades Novo Nordisk rating on challenges from copycats, competition

** Cummins Inc <CMI.N>:

BUZZ - Rises after Q2 revenue beats estimates

** Fidelity National Information Services Inc <FIS.N>:

BUZZ - Shares fall after profit forecast misses estimates

** Eaton Corp <ETN.N>:

BUZZ - Falls after trimming annual profit forecast

** Frontier Group Holdings Inc <ULCC.O>:

BUZZ - Slumps on bigger-than-expected Q3 loss forecast