Key Takeaways The Dow Jones Industrial Average enters trading Wednesday on a nine-day losing streak, the longest stretch of consecutive daily declines for the blue chip index since 1978.The index has continued to trend lower after running into resistance near the top trendline of an ascending channel earlier this month,

The U.S.’ bluechip stock index is mired in its longest stretch in the red since 1978, a potentially concerning signal for investors enjoying an otherwise sanguine period for stocks, though Tuesday’s losses are largely tied to a singular company—UnitedHealth Group—and gains remain healthy over a longer timeframe.