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system
trading large volumes with penny profits per share
user
currently my online savings account pays an interest rate of 1.25%.  with 100k, i can earn about $104 per month in that account.  no risk, no timing, no fuss. so in theory you can make money by small changes in the valuations of stock.  however there are often better, risk free options for your money; or, there are much better options for returns with much less risk, but more than that of a bank account.
assistant