I didn't know what a Death Cross was, so I looked it up:
http://www.investopedia.com/terms/d/deathcross.asp

The link has a video explaining it as well as more info.

"What is a 'Death Cross'
A death cross is a crossover resulting from a security's long-term moving average breaking above its short-term moving average or support level. It is so named due to the shape created when charting the activity and its association with a downward market trend. As long-term indicators carry more weight, this trend indicates a bear market on the horizon and is reinforced by high trading volumes. Additionally, the long-term moving average becomes the new resistance level in the rising market."