THERE ARE COMPANIES WITH FINANCIAL PROBLEMS ONE WOULD NOT BUY. OFTEN, THEY HAVE SYMBOLS WITH A Q AT THE END. THERE ARE OTHER SYMBOL ENDS WHICH ONE MAY NOT WANT ALSO. WHEN USING THE SIMULATOR, THESE BAD COMPANIES CAN SCREW UP THE RESULTS. CREATE A FILTER IN THE EXCHANGE PART OF A SEARCH TO ELIMINATE THESE COMPANIES.