The FTSE recovered slightly after a miserable start, closing down 60.2 points, or 1.07%, to 5,545.6.
Experian headed the list of winners, having gained 21.5p to 381.75p, followed by Carnival, up 69p, or 3.71%, to £19.29.
Standard Chartered, AstraZeneca and Imperial Tobacco Group also all finished the day in the black.
A miserable day for Halifax Bank of Scotland (HBOS), which saw it start and finish the day heading the loser’s list, closed down 34p, or 7.08%, on 446.25p.
Lonmin, down 223p to £30.14, and Vedanta Resources, down 129p, or 6.03%, to £20.10, also finished the day in the red.
In the US, the Dow Jones is suffering a mini-hangover after a terrific Tuesday sparked by a 0.75% rate cut by the Federal Reserve.
After a couple of hours trading, the index has dropped 87.93 points, or 0.71, to 12,304.73.
JPMorgan Chase, up 1.41 points, or 3.3%, to 44.12, and Coca Cola, up 1.1 points to 60.51 currently head the winner’s list.
Alcoa, down 4.77% to 36.76, Caterpillar and Exxon Mobil have opened sluggishly and are all in the red.
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Putting the tech into protection
Square Mile’s series of informal interviews
Fallout from Haywood suspension
Launching later in 2019
£80bn funds under calculation