    Sentence 1: Shares’ of Smithfield  jclosed   lup $1.64: or 8.5 percent, at $20.85  |..on the New. York, Stock Exchange.    Sentence 2: Shares’ of Smithfield  rose $ 1.64 yesterday to-close at $  20.85 ,a rise of 8.5 per.cert , on the  New York Stock Exchange.    