Five Things Learned From the Global Stock Slump

Stocks markets around the world have tumbled over the last few days as investors worry about China's economy. We're only a few days into the selloff and its too early to say if the worst is behind us. Tommy Stubbington explains five things we've learned so far. Photo: AP Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Follow WSJ on Facebook: http://www.facebook.com/wsjvideo Follow WSJ on Google+: https://plus.google.com/+wsj/posts Follow WSJ on Twitter: https://twitter.com/WSJvideo Follow WSJ on Instagram: http://instagram.com/wsj Follow WSJ on Pinterest: http://www.pinterest.com/wsj/