UNH Stock Resumes Decline as Centene Shock Rocks Health Insurers

UnitedHealth shares tumbled today as the healthcare sector was rocked by Centene’s dramatic profit warning, even as broader markets climbed

Health insurers are bankrupting as health costs keep soaring without much of a reason

Quick overview

  • UnitedHealth shares fell approximately 6% today, diverging from the broader market's gains as the Nasdaq and S&P 500 reached all-time highs.
  • The decline was triggered by Centene's alarming profit warning, which included a significant cut to its 2025 earnings forecast due to rising medical costs.
  • UnitedHealth has faced ongoing investor concerns since mid-April, primarily due to issues related to internal billing practices and increasing medical expenses.
  • The healthcare insurance sector is under scrutiny as rising costs and regulatory challenges raise questions about future profitability.

UnitedHealth shares tumbled today as the healthcare sector was rocked by Centene’s dramatic profit warning, even as broader markets climbed to new highs.

UnitedHealth Slides Sharply Amid Broader Market Strength

Despite the Nasdaq Composite and S&P 500 closing at fresh all-time highs today, UnitedHealth Group (NYSE: UNH) fell roughly 6%, underlining the stark divergence between healthcare insurers and the tech-led rally. The decline comes on the heels of an alarming 40% collapse in shares of rival insurer Centene (NYSE: CNC), which sent shockwaves across the sector.

UnitedHealth itself has struggled with investor sentiment since mid-April. That period marked the beginning of a prolonged selloff triggered by disclosures about questionable internal billing practices and surging medical costs industry-wide. The stock fell below $250 at its lows but managed to recover and had been consolidating above $300 for more than a month.

UNH Stock Chart Daily – 50 SMA Rejected Buyers

Yesterday offered a glimmer of hope for UNH bulls: shares rallied nearly 6% intraday to $327 as buyers stepped in. But the rally was cut short at the technical resistance of its 50-day simple moving average (SMA), marked in yellow on traders’ charts. That level rejected the move, leading to today’s sharp 6% pullback as bearish pressure returned.

Centene Shock Sparks Sector-Wide Rout

The trigger for today’s carnage in health insurers was Centene’s bombshell announcement late Tuesday. The company revealed it was withdrawing its 2025 revenue and earnings guidance entirely. Management admitted they would have to “recalibrate” expectations after fresh data from Affordable Care Act policies showed dramatically higher patient illness levels than previously modeled.

In plain terms, medical costs were spiraling far beyond Centene’s risk-adjustment assumptions. As a result, the company warned that its 2025 earnings per share forecast of $7.25 would need to be cut by a staggering $2.75 per share. Some analysts, such as Mizuho’s Ann Hynes, cautioned investors that the eventual hit could be even worse—potentially halving the company’s earnings forecast.

Markets reacted brutally. After closing at $56.64 yesterday, Centene stock opened today with a massive bearish gap down at $37.29 before sliding even further to finish at $33.78—a devastating single-day plunge of roughly 40%.

Broader Market Diverges: Nasdaq and S&P 500 at Highs

This dramatic collapse in health insurance names stands in stark contrast to the broader mood on Wall Street. The Nasdaq and S&P 500 both closed at all-time highs again today, lifted by strong gains in technology and growth stocks. Investors continue to rotate into sectors viewed as better-positioned for the soft-landing scenario being priced in by the bond market.

However, the healthcare insurance space is flashing warning signs. Rising medical costs, regulatory scrutiny, and risks in Affordable Care Act policy pools are combining to raise hard questions about future profitability across the sector.

Conclusion: Today’s trading session showcased a tale of two markets: soaring tech indexes at record highs, and a brutal shakeout among health insurers. For UnitedHealth investors, the 6% drop underscores that sector-specific risks can easily override broader market optimism. As Centene’s catastrophic guidance cut ripples through peers, the entire managed care industry faces fresh scrutiny—and the possibility that higher medical costs may prove to be a systemic challenge rather than a one-off shock.

ABOUT THE AUTHOR See More
Skerdian Meta
Lead Analyst
Skerdian Meta Lead Analyst. Skerdian is a professional Forex trader and a market analyst. He has been actively engaged in market analysis for the past 11 years. Before becoming our head analyst, Skerdian served as a trader and market analyst in Saxo Bank's local branch, Aksioner. Skerdian specialized in experimenting with developing models and hands-on trading. Skerdian has a masters degree in finance and investment.

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