LONDON MARKET MIDDAY: Sentiment Stabilises After Virus Mutation Fears Tue, 22nd Dec 2020 12:11 (Alliance News) - Markets were in a better mood on Tuesday after a turbulent start to the week, driven by worries over a new virus strain, with London stock indices posting cautious gains by midday. The FTSE 100 index was up 6.76 points, or 0.1%, at 6,423.08 midday Tuesday. The mid-cap FTSE 250 index was up 150.12 points, or 0.8%, at 19,842.23. The AIM All-Share index was up 0.6% at 1,095.82. The Cboe UK 100 index was up 0.2% at 609.89. The Cboe 250 was up 0.7% at 22,721.04, and the Cboe Small Companies up 0.7% at 14,980.27. In mainland Europe, the CAC 40 in Paris was up 1.0% while the DAX 30 in Frankfurt was rallying 1.1% in the afternoon.