The Footsie lost a further 2% on Tuesday morning on the news that Greece is to hold a referendum on the latest bailout announced last week.The decision by George Papandreou, the Greek Prime Minister, to hold a referendum on the details of the Greek bailout tortuously negotiated by Eurozone leaders, sent London sharply into reverse this morning. The announcement means that voters would be given the chance to reject the package.Markets across Europe sank lower as well: the Cac in France dropped 3.19%, the Dax in Frankfurt fell 3.47%, while the ASE Composite index in Athens tumbled nearly 6%.Not helping things either was news that the Chinese manufacturing sector may have slowed its rate of expansion even further in October, according to data released last night by the China Federation of Logistics and Purchasing (CFLP). The group's purchasing managers' index for the manufacturing sector fell to 50.4 in October, from 51.2 the month before, coming in well below the 51.8 expected by analysts - this was the lowest level since the beginning of 2009. G4S BUCKS TREND, MINERS & BANKS FALL LOWERSecurity firm G4S was the only company making gains on the FTSE 100 this morning after announcing that it is pulling out of its attempt to buy the Danish cleaning company ISS for £5.2bn after shareholders blocked the deal. According to Alf Duch-Pedersen, chairman of G4S, shareholders raised concerns over the "scale and complexity" of the transaction. The stock sank in mid-October after group announced the potential acquisition.The whole European banking sector plummeted early on, with Barclays, RBS and Legal & General topping the fallers list in London. Barclays continues to fall as investors digest its third quarter results announced yesterday. Meanwhile, Legal & General revealed this morning that new business sales, on an annualised premium equivalent basis, eased 1% to £1,338m from £1,347m the year before. Miners Antofagasta, Xstrata and Rio Tinto were among the worst performers on the worrying economic data from China.Cigarette firm Imperial Tobacco performed relatively well, falling just 0.3% (outperforming the FTSE 100) after it saw full-year revenues rise 3.7% in the 12 months to the end of September.ARM Holdings, the computer chip design company, has acquired Prolific, a firm which develops design optimisation software tools. Shares fell nearly 2%.BCFTSE 100 - RisersG4S (GFS) 250.60p +2.62%FTSE 100 - FallersBarclays (BARC) 181.10p -7.27%Royal Bank of Scotland Group (RBS) 22.75p -6.11%Xstrata (XTA) 988.60p -5.44%Legal & General Group (LGEN) 104.60p -5.34%Antofagasta (ANTO) 1,109.00p -4.97%Man Group (EMG) 142.60p -4.87%Weir Group (WEIR) 1,828.00p -4.74%Aviva (AV.) 325.00p -4.64%Prudential (PRU) 617.50p -4.63%Lloyds Banking Group (LLOY) 31.11p -4.26%FTSE 250 - RisersBwin.party Digital Entertainment (BPTY) 116.20p +5.93%Perform Group (PER) 210.00p +3.45%Homeserve (HSV) 355.00p +1.43%Rank Group (RNK) 140.00p +0.79%AG Barr (BAG) 1,218.00p +0.66%JD Sports Fashion (JD.) 840.00p +0.60%UK Commercial Property Trust (UKCM) 78.00p +0.58%BH Global Ltd. GBP Shares (BHGG) 1,190.00p +0.42%Telecom Plus (TEP) 745.00p +0.40%BH Macro Ltd. GBP Shares (BHMG) 1,969.00p +0.36%FTSE 250 - FallersSoco International (SIA) 299.00p -9.45%International Personal Finance (IPF) 253.70p -7.48%Ferrexpo (FXPO) 302.70p -6.34%Invensys (ISYS) 211.90p -6.03%Cookson Group (CKSN) 453.90p -5.56%Inchcape (INCH) 308.30p -5.52%Aquarius Platinum Ltd. (AQP) 176.30p -5.22%Morgan Crucible Co (MGCR) 268.60p -5.12%Fidessa Group (FDSA) 1,544.00p -5.10%Bodycote (BOY) 268.00p -5.07%