Tempus AI leads the session with a 10.5% gain as losers bite harder

As seen on the 24/7 Wall St. homepage on September 15, 2026.

Biggest movers · At the close
Gainers
  • TEMTempus AI$68.74+10.5%
  • BRKRBruker$55.97+6.3%
  • QCOMQualcomm$187.79+4.2%
  • SSentinelOne$23.47+3.8%
  • RBRKRubrik$103.47+3.3%
Losers
  • AXONAxon Enterprise$444.7-9.3%
  • CAVACava$49.8-9.3%
  • CLOVClover Health$4.64-9.1%
  • FUBOfuboTV$10.9-8.2%
  • OPENOpendoor Technologies$2.65-5.2%

Tempus AI closed the session up 10.5%, the only double-digit move among 111 tracked names. The downside was deeper and broader: Axon, Cava and Clover Health all gave up more than 9%.

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Tempus AI was the standout name at the close on September 15, finishing at $68.74 after rising 10.5%, the only double-digit percentage move in either direction across all 111 names tracked for the session.

The rest of the gainers' board was more measured, with Bruker, Qualcomm, SentinelOne and Rubrik rounding out the top five on single-digit advances.

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Axon Enterprise, Cava and Clover Health all shed roughly 9% on the day. Three names falling that hard in a single session signals meaningful conviction among sellers.

fuboTV and Opendoor Technologies also gave ground, leaving the session asymmetric: one big winner on the upside, and a cluster of heavy declines spread across very different sectors on the downside.

Mentioned: TEM, BRKR, QCOM, S, RBRK, AXON, CAVA, CLOV