[BRIEFING.COM] The Dow Jones Industrial Average is down nearly 550 points.
Some mega caps have maintained gains despite index performance. NVIDIA (NVDA 108.22, +1.28, +1.2%) and Tesla (TSLA 229.98, +7.87, +3.6%) are among them.
The Vanguard Mega Cap Growth ETF (MGK) is fractionally higher.