Historical Stock Splits Are There Any Online Stock Portfolio Tracking Sites That Automaticaly Account For Splits And Spinoffs?

Are there any online stock portfolio tracking sites that automaticaly account for splits and spinoffs? - historical stock splits

Looking for an online resource / portal is the present value of a portfolio based on a list of measures introduced in which the historical date of trade and agricultural holdings and the value to be calculated, and updated on the basis of the divisions, divisions and distributions in cash. For example, if you buy 100 shares of AT & T on a given day in 1996, what would my current holdings and their present value, taking account of the divisions, sections and distribution of species. Note that some individuals and companies no longer exist, if the tool should be able to give it known.