[BRIEFING.COM] The three major indices hit fresh session lows over the last half hour.
Mega caps have an outsized impact on index performance, but many stocks are participating in downside moves. The Vanguard Mega Cap Growth ETF (MGK) trades 0.6% lower. Meanwhile, the equal-weighted S&P 500 sports a 0.1% decline.
The information technology (-0.9%) and consumer discretionary (-0.8%) sectors show the largest declines in another manifestation of underperforming mega caps.