The supermarket chain benefited from favourable coverage regarding price cuts, a boost in its share price and record annual profits. The firm came in at ninth place last week.
Motoring firms also put in an impressive performance. Ford moved from 1,693rd to second on the back of a raft of favourable articles for products including its Focus and Fiesta brands. Toyota leapt from 664th to fifth, in part due to its unveiling of a musical robot, which is set to perform at the 2005 World Exposition in Japan.
Asda and Tesco came third and fourth respectively, gaining positive mentions of their dominance in their sector.
The worst performer was Shell, which plummeted to rock bottom after being fifth from bottom last week, due largely to negative publicity surrounding allegations that it breached stock market rules.
Elsewhere in the bottom five, Coca-Cola was ranked the second-worst performer, after coming in 13th from bottom last week. The drinks giant spent the week engaged in crisis communications mode following the withdrawal of its bottled water brand Dasani because of high levels of bromate.
The reputation monitor is compiled from Thomson Intermedia’s National News Index (NNI), a measure of media sentiment excluding stock market reports and passing mentions.