The Dow Jones dipped in early trading this morning after seeing huge losses on Thursday.
Wall Street's main index fell by as much as 0.6% in early trade before recovering slightly, down 53.35 points (0.53%) at 9,948.83 at 15.30 GMT. The index dropped 2.6% yesterday.
Poor job figures and fears of the finances of some European countries have rocked markets across the world.
General Electric were the biggest loser, with shares down 2.74% to $15.60, while Boeing shares dropped 2.44% to $57.87.
In London, the FTSE 100 continued to suffer from fears over the large debts of Greece and Portugal.
The index dropped 95.81 points (1.86%) to 5,043.5 as the end of trading approached.
ICAP shares were hit badly after the firm announced its pre-tax profits would be lower than last year, with shares losing 17.5% to 301.2p.
Invensys and 3i also saw losses, down 5.06% and 4.04% respectively.
Compass Group was the only FTSE 100 company to make significant gains, after revealing better-than-expected results. Shares added 5.4% to 450.9p.
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