Stock Market Update

[BRIEFING.COM] The S&P 500 (-0.36%) is in second place with the DJIA and Nasdaq Composite tied on losses of -0.47% apiece.

Elsewhere, S&P 500 constituents Charles River (CRL 199.47, -29.33, -12.82%), Dexcom (DXCM 69.78, -5.47, -7.27%), and Emerson (EMR 100.00, -7.78, -7.22%) dot the bottom of the standings. CRL and EMR move lower following earnings, while DXCM mirrors weakness in insulin stocks as Abbott Labs' (ABT 109.97, +0.47, +0.43%) partnership with Medtronic (MDT 81.13, +0.35, +0.43%) regarding insulin delivery devices is having an adverse effect on peers.

Meanwhile, Axon (AXON 347.51, +52.51, +17.80%) is today's top gainer following last night's earnings beat, guidance raise.