In the world of stock analysis, fundamental and technical analysis are on completely opposite sides of the spectrum. Earnings, expenses, assets and liabilities are all important characteristics to fundamental analysts, whereas technical analysts could not care less about these numbers.

They are not stocks - they are mutual funds that track two different market indices.

SSgA S&P 500 Index Fund - Class E

SSgA S&P MidCap Index Fund - Class XII

Does one have advantages over the other, and if so, what?

What exactly do these two do and what are they investing in, in order to return money?