The stock of International BusinessMachine Corp declined slightly today and shares of Digital
Equipment Corp &lt;DEC> rose after brokerage house Morgan Stanley
and Co reiterated a negative opinion on IBM and a buy on
Digital, traders said.
    IBM, which this morning introduced four new personal
computers, the first major overhaul of its PC line since it
entered the business in 1981, fell 1-3/4 to 149-3/8.
    Digital Equipment rose 1-3/8 to 163-5/8.
    Analyst Carol Muratore of Morgan Stanley was unavailable
for comment.
