The founder of online voucher company Groupon has been ousted after shares in the firm fell 24% in a single day.
Europe's leading equity markets took a beating yesterday as elections in Italy resulted in political deadlock.
Technology giant Apple saw shares dive 10% in after-hours trading, wiping $50bn off the market cap value, as its latest update to the market left analysts underwhelmed.
Progress in the fiscal cliff talks being held in Washington has given Wall Street a lift as the threat of a possible recession is averted.
US stock markets saw a third consecutive day of losses following Barack Obama's victory in the presidential election this week.
Wall Street bounced back shortly after open today following a two day lock-down forced by extreme weather conditions in New York City.
Shares in Google closed down 8% after the tech giant's third quarter results - revealing a 20% drop in profits - were mistakenly released ahead of the US market close.
Apple shares led the fallers on the Nasdaq shortly after open following a disappointing second quarter trading update from the tech giant.
Stronger than expected employment data could not prevent Wall Street selling off at the open this afternoon.
Shares on the major US stock markets shed more than 2% overnight as weak manufacturing data from the US, Europe and China fuelled fears of a global slowdown.