U.S. Stock ETFs SPY, QQQ Slip as Investors Remain Cautious About Global Growth

U.S. markets and stock ETFs slipped Wednesday as fears of a global economic slowdown weighed on equities and pushed more investors into safety bets, dragging down Treasury yields and renewing worries over the inverted yield curve. On Wednesday, the Invesco QQQ Trust (NASDAQ: QQQ) fell 0.5%, SPDR...