    Sentence 1: BA shares were up 0.59 percent  at 170 pence in early afternoon trading ,  slightly outpacing London 's FTSE 100. Index  which was up 0.28 percent’.    Sentence 2: BA shares closed’ down 0.89  percent at 167-1 |» 2 pence , slightly lower  than London's FTSE 100 \ Index which was  down 0.28 percent .