Mega-Caps Lift Communication Services as Yields Fall

Heavyweight names lifted the Communication Services sector on Thursday, September 3, as the cap-weighted group gained +1.6% while an equal-weighted measure rose +0.6%. Inside the sector, 57.9% of stocks advanced, trailing a broader market where 10 of the 11 sectors rose. The sector's primary exchange-traded fund, the Communication Services Select Sector SPDR Fund (XLC), gained +0.9% to close at $113.40, driven by top performers even as high-quality names make up only 29.1% of evaluated holdings. The sector's advance followed falling Treasury yields and renewed strength in large technology stocks.

Advertising and digital technology shares paced the session's gains, led by Trade Desk Inc (+3.7%) and Omnicom Group Inc (+3.6%). The Trade Desk gained ground as an antitrust lawsuit against Amazon over ad fees highlighted independent ad-technology platforms. Broader market sentiment also found footing as public remarks from Federal Reserve policymakers reinforced expectations that borrowing costs would remain steady in the near term.

Not every corner of the sector participated in the rally. Charter Communications Inc (-4.8%) was the group's steepest decliner following its recent executive leadership transition. The spread between the sector's +1.6% cap-weighted gain and its +0.6% equal-weighted return demonstrates that index heavyweights did the heavy lifting, while typical members saw much smaller advances.

With $21.7 billion in assets and an expense ratio of 0.08%, XLC provides low-cost exposure to the sector, but its underlying quality is uneven. EasyAlpha evaluates 87.1% of the fund by weight, with 29.1% of those graded assets landing in companies graded A or B. Companies graded A or B have stronger fundamentals and historically carry a lower risk of large drawdowns than companies graded D or E. Over the past month, XLC is up +2.3%, but the modest concentration in top quality grades shows that the sector's performance remains tied to a handful of influential leaders.