Resources – Investment Research and Screeners
For stock analysis and finding quality businesses to invest in we use and subscribe to GuruFocus.com. GurusFocus covers most global markets, including Oceania (New Zealand and Australian stock markets), and has a comprehensive All-in-One screener. They have very active forums and publish a number of articles too (we follow them on Twitter).
For a totally free option there is also Google Finance. Google Finance covers a large range of share markets, including New Zealand and Australian, but has more information for the USA markets than the other markets. The portfolios and screener functionality is good, and drilling down you can find a fair amount of historical and comparative information about specific stocks too.