Dow Jones Today, Stocks Slump, Yields Retreat As Chinas Economy Slows; Feds Launch Tesla Probe; Sonos Spikes On Upgrade – Investors Business Daily

Stocks plowed into a weak open Monday, with the Dow and S&P 500 each threatening to snap four-day rallies. Economic data out of China and from the New York Federal Reserve indicated slowing growt… [+7104 chars]