European stocks suffer worst week of losses in more than four years
* FTSEurofirst 300 index closes down 1.5 pct
* Index has worst weekly loss since August 2011
* Citi still sees gains this year for European stocks
* Citi forecasts STOXX 600 at 400 points by end-2016 (Updates prices)
By Sudip Kar-Gupta
LONDON, Jan 8 (Reuters) - European shares fell on Friday, with lingering worries about China causing a major regional equity index to suffer its worst weekly loss since August 2011.
The pan-European FTSEurofirst 300 index ended down 1.5 percent, leaving it with a loss of around 7 percent over the course of the week.
That marked its worst weekly performance since early August 2011, when it fell nearly 10 percent during the euro zone's sovereign debt crisis.
Equity markets had received a lift earlier in the day from a rise in major Chinese stock indices, after regulators suspended the circuit breaker mechanism that halted trading twice this week. The shutdowns were blamed for exacerbating the sell-offs they were intended to limit. Continuación...