Health Care Leads a Down Market as Defensive Names Hold Ground

Health Care recorded the top weekly move among the eleven Select Sector SPDR funds as defensive shares found support early in the week. The exchange-traded fund tracking the group, the Health Care Select Sector SPDR Fund (XLV), posted +1.8%, while the broader S&P 500 returned -0.4%. Across the wider market, 2 of the 11 sector funds rose this week. Positive breadth supported the group, with 65.5% of its members advancing, while individual returns ranged from Revvity Inc. (+15.4%) at the top to CVS Health Corp (-6.2%) at the bottom. The sector's resilience was aided on Thursday when easing Treasury yields and lower oil prices helped steady equity markets.

The sector established its advantage early in the five-day stretch. Health care shares opened the period with widespread afternoon gains. That advance was tested mid-week when the Federal Reserve raised interest rates and signaled that borrowing costs could remain elevated, sparking a broad retreat in risk assets. Broader market pressure subsequently eased on Thursday when declining bond yields and oil prices drove a session rebound across equity indexes.

Inside the sector, performance was broad-based rather than concentrated in a few large pharmaceutical holdings. The equal-weighted return across member companies was +1.4%, aligning closely with the cap-weighted fund's return of +1.8%. With 65.5% of the sector's components finishing the week higher, gains were distributed across a broad majority of the group's holdings.

Specific company developments accounted for the widest moves within the group. Top-performing Revvity Inc. (+15.4%) advanced as reports highlighted expanding order backlogs and steady customer demand, while the company also participated in an investor healthcare conference. At the opposite end of the spectrum, CVS Health Corp (-6.2%) was the weakest performer in the sector. The pharmacy and insurance provider traded lower, and our sources show no reported driver for the move.

Taking a step back, a modest weekly move of +1.8% does not fundamentally alter what the health care sector is. A single quiet week of relative outperformance during a broader market pullback reflects standard defensive behavior rather than a permanent acceleration in sector growth. Over longer measurement periods, XLV stands at -4.1% over the trailing month, compared to +13.2% across the past three months. The group remains a classic defensive sector whose relative leadership emerges primarily during broader market pullbacks.