Finish tutorial 8. Add stock_info.xml, StockInfoActivity.java.

In StockInfo.java rename lastTradePriceonly to lastTradePriceOnly.
In AndroidManifest.xml add uses-permission for internet. This fixed a crash.

References
http://www.newthinktank.com/2013/05/android-development-tutorial-8/
https://developer.yahoo.com/yql/console