Calculation of PE ratios, book values, dividend yields -- across your entire portfolio ratio than an individual investment. Also, ability to compare your portfo

Calculation of PE ratios, book values, dividend yields -- across your entire portfolio ratio than an individual investment. Also, ability to compare your portfolio to popular investors using data mined directly from the SEC. Online brokerages will typically stop at the performance data or maybe allocation and not give you any fundamental breakdown of your investments.