INVESTORS HAVE 5.5 PCT OF DATAREX SYSTEMS &lt;DRX>
  A small investor group led by Melvyn
  Gelch, a Providence, R.I., surgeon, told the Securities and
  Exchange Commission it has acquired 60,840 shares of Datarex
  Systems Inc, or 5.5 pct of the total outstanding common stock.
      The Gelch group said it bought the stake for about 935,000
  dlrs for investment purposes only.
  

