European stocks suffer worst 1-day fall in nearly 4 years
* FTSEurofirst 300 has worst 1-day fall since Nov 2011.
* Chinese flash PMIs increase concern over state of economy
* Greek shares fall after PM resigns before new election
* Vopak slumps on concerns over its outlook
By Alistair Smout
LONDON, Aug 21 (Reuters) - European shares suffered their worst one-day fall in nearly four years on Friday as growing concerns over China's economy hit world markets.
Many investors said they were nervous about the near-term outlook.
The pan-European FTSEurofirst 300 index closed down 3.40 percent at 1,427.13 points.
The index fell to its lowest level since January and had its worst one-day drop since a 3.44 percent slump in November 2011. It also posted its worst weekly decline since August 2011. Continuación...