If one losses money on a stock can you claim a loss for the full amount or percentage?
Answers:
You can claim the full amount of the loss against any possessions gain on investments that you own made during the year. You may claim merely $3000 of the loss (joint return) against earn income during the year and you may convey over the loss for 2 optional years. That anyway is as I withdraw the current rules. They may be at variance.
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If you buy a stock for $30, and put on the market it for $20, afterwards $10 is deductible, subject to positive limitations. See Schedule D for details.
Well first you own to SELL the stock to realize a loss, a simple serious newspaper loss within importance is never deductible (unless the stock have become totally worthless and cannot even be sold at all)
Next losses can be used to cancel out realize gains
after that in the most simplified rules you can reduce by up to $3,000 within losses within a year, if your losses are greater than $3,000 the excess can be carried over to the subsequent excise year
for more details see Pub 550 from the IRS (pdf file)
http://www.irs.gov/pub/irs-pdf/p550.pdf...