Stocks plunge after China declares 25% tariff on US goods, Zuckerberg to testify in Congress

Stocks (^DJI^GSPC, ^IXIC) push lower on concerns of a full-on trade war despite Trump’s insistence that we’ve already lost the trade war. The real estate (XLRE) sector is most in the green, and the technology (XLK) sector is most in the red. Matt Cheslock joins us live from the floor of the New York Stock Exchange to talk markets. To discuss the other big stories of the day, Yahoo Finance’s Seana Smith is joined by Yahoo Finance Editor-in-Chief Andy SerwerDan Roberts, and Dan Howley.