Google added more integration with Google Calendar. You can download all events in your portfolio such as earnings calls, analyst meetings, and any other material event on your company and portfolio pages to your Google Calendar.

Here is a list of all other features they've added:

  • Historical prices: View and download historical end-of-day prices for any U.S. or Canadian compan
    y
  • Portfolios: You can now download the latest portfolio performance and transaction details from your portfolio
  • News feeds: Stay on top of the news using your feed client such as
    Google Reader, Bloglines, or as part of your iGoogle

You can read more about it at the Official Google Blog.