Big Tech Rotation Powers Communication Services Rally

On Monday, September 14, the exchange-traded fund Communication Services Select Sector SPDR Fund (XLC) closed +2.2% at $115.04 in a session where only 3 of the 11 sectors rose. Breadth was strong across the Communication Services sector, with 90.0% of its members closing higher. The cap-weighted sector move of +2.7% topped the equal-weighted return of +2.0%, indicating that the largest platform companies drove the bulk of the advance. That concentration matters because high-quality names remain scarce in the fund: only 27.7% of its graded weight sits in companies graded A or B, across 87.1% of the portfolio evaluated by EasyAlpha. The surge followed a market shift as investors rotated away from semiconductor suppliers and into software and digital platforms.

The sector's resilience stood out against macro headwinds. Broader equity markets faced crosscurrents as rising oil prices and a climb in the 10-year Treasury yield toward 5% created early pressure, though equities found footing after crude gave back an early jump.

Digital ad platforms and traditional media companies led the sector higher. Trade Desk Inc (+4.4%) led the sector, though our sources show no reported company-specific catalyst for the move. Meanwhile, Fox Corp Class A (+3.9%) gained following an outperform initiation pointing to Roku-related potential. By contrast, Charter Communications Inc (-1.7%) posted the steepest decline in the sector.

With $22.4 billion in net assets and an expense ratio of 0.08%, XLC offers low-cost exposure to the group, but its medium-term trajectory illustrates the sector's uneven path. The day's advance brings the fund to +2.2% over the past month. Across longer windows, however, performance remains muted: XLC sits at -0.3% over the past six months, -2.4% across the chart window, and -2.0% over the past twelve months.

EasyAlpha grades companies against their industry peers, where stocks graded A or B have stronger fundamentals and historically carry lower risk of large drawdowns than those graded D or E. Because 27.7% of the fund's graded holdings qualify for those top two tiers, the sector's heavy reliance on a few dominant mega-caps leaves the fund closely tied to sentiment in digital advertising and mega-cap capital allocation.