We are almost two-thirds done with 2013 and some of you haven’t even completed your tax returns.  For those of you who filed and finished your tax returns in April, most of that paperwork is neatly tucked away in your home filing cabinet.   Since the stock market has run up over the past year most investors have made gains in their stock and stock mutual fund positions.   However, the majority of tax payers never look at their capital losses from prior years to do effective tax planning.  So just how long can you carry forward your capital gain losses? First, you should be aware that you can sponge up capital gains year to year against any capital losses or carry forward losses that you have on your tax return.   This means if you have a carry forward loss of $30,000 from a prior year and had $30,000 of long-term capital gains here in 2013, you would essentially have a wash.   ...