Zuckerberg returns to Capitol Hill, faces questions from House

Stocks (^DJI^GSPC, ^IXIC) plunge after US-Syria tensions flare. The energy (XLE) sector is most in the green, and the financial (XLF) 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 Serwer, Dan Roberts, Myles Udland, Brittany Jones-Cooper and Steelhouse CEO Mark Douglas.

What to read next

By using Yahoo you agree that Yahoo and partners may use Cookies for personalisation and other purposes