FTSE 100 weak at midday with investors looking at key US data
The FTSE 100 in London underperformed against its peers in Paris and Frankfurt, but Centrica on the FTSE 100 edged up after warning of 'concerningly low' UK gas storage levels during the ongoing cold snap.The FTSE 100 index was down 32.62 points, 0.4%, at 8,287.82. The FTSE 250 was down 135.35 points, 0.7%, at 19,869.79, and the AIM All-Share lost 0.64 of a point, 0.1%, at 719.32.The Cboe UK 100 w