Oct. 29 (Bloomberg) -- The following is a list of companies whose shares may have unusual price changes in U.K. and Irish markets today. Stock symbols are in parentheses and prices are from the last market close.

The benchmark FTSE 100 Index fell 120.55, or 2.3 percent, to 5,080.42. The FTSE All-Share Index declined 2.4 percent and Ireland’s ISEQ Index fell 6.5 percent.

Arriva Plc (ARI LN): The operator of the U.K.’s longest train route said it continued to trade in line with its forecast since it published interim results in August. The shares dropped 13.5 pence, or 3 percent, to 438 pence.

AstraZeneca Plc (AZN LN): The U.K.’s second-largest drugmaker is scheduled to report results. The shares declined 41 pence, or 1.5 percent, to 2,789 pence.

Croda International Plc (CRDA LN): The U.K. maker of natural-based chemicals said third-quarter revenue increased 1.1 percent to 238.1 million pounds ($390 million). The stock declined 1 pence, or 0.1 percent, to 700 pence.

CSR Plc (CSR LN): The U.K. maker of microchips used in Nokia Oyj mobile phones said fiscal third-quarter operating profit dropped to $10.6 million from a year-earlier $30.9 million. The shares dropped 33.9 pence, or 7.8 percent, to 402.1 pence.

Diageo Plc (DGE LN): Chief Executive Officer Paul Walsh said the world’s largest liquor maker may use its cash to boost its dividend if the U.K. company’s preferred takeover targets don’t come up for sale at the right price. The stock climbed 10.5 pence, or 1.1 percent, to 969.5 pence.

Evolution Group Plc (EVG LN): The London-based stockbroker said it is experiencing strong trading across all its businesses and expects to exceed current market forecasts. The shares declined 1.9 pence, or 1.2 percent, to 151.6 pence.

GlaxoSmithKline Plc (GSK LN): Andrew Witty, chief executive officer of the U.K.’s largest drugmaker, said the company’s traditional core market of prescription drugs in developed countries may slip to 25 percent of total sales, the Financial Times reported. The stock fell 5.5 pence, or 0.4 percent, to 1,251 pence.

Henderson Group Plc (HGG LN): The fund manager that bought New Star Asset Management Group Plc said assets under management rose 9 percent to 57.7 billion pounds in the three months ended Sept. 30. The stock dropped 2.3 pence, or 1.7 percent, to 133.6 pence.

Kazakhmys Plc (KAZ LN): Kazakhstan’s biggest copper producer said fourth-quarter output is likely to be at a lower run rate because of maintenance work. The shares declined 111 pence, or 9.1 percent, to 1,113 pence.

Kingfisher Plc (KGF LN): Europe’s largest home-improvement retailer said it will offer more dishwashers and washing machines to lure customers from specialist appliance sellers like DSG International Plc and Home Retail Group Plc’s Argos chain. The stock dropped 8.6 pence, or 3.7 percent, to 223.4 pence.

Lloyds Banking Group Plc (LLOY LN): The U.K.’s biggest mortgage lender is to get the go-ahead by Chancellor of the Exchequer Alistair Darling to test its plan for a 25 billion- pound refinancing, signaling that the government is willing to release the bank from its toxic asset insurance plan, the Financial Times reported without attribution. The shares fell 3.84 pence, or 4.6 percent, to 80 pence.

National Express Group Plc (NEX LN): The U.K. rail and bus operator said it has halted talks with Stagecoach Group Plc about a possible merger as it concluded it is unlikely a combination would have been “successfully executed” this year. The stock declined 17.9 pence, or 4.7 percent, to 364.6 pence.

Rio Tinto Plc (RIO LN): The third-largest mining company is in discussions with Aluminum Corp. of China to jointly invest in Mongolia, the Sydney Morning Herald reported, without saying where it got the information. The shares fell 197.5 pence, or 6.9 percent, to 2,673 pence.

Royal Dutch Shell Plc (RDSA LN): Europe’s largest oil company said third-quarter profit fell 62 percent as the global recession cut demand for fuels, slashing crude and natural gas prices. The stock dropped 22.5 pence, or 1.2 percent, to 1,911 pence.

RPS Group Plc (RPS LN): The publicly traded environmental researcher said it expects its full-year results to be in line with market expectations. The shares declined 5.8 pence, or 2.8 percent, to 200.4 pence.

Standard Life Plc (SL/ LN): The U.K.’s third-biggest insurer said life and pensions sales dropped 15 percent to 10.5 billion pounds in the first nine months. The shares fell 6 pence, or 2.7 percent, to 219.7 pence.

Tesco Plc (TSCO LN): The U.K.’s largest retailer is not interested in buying the assets of Northern Rock Plc, Sky News reported, without attribution. The stock advanced 7.55 pence, or 1.9 percent, to 403.4 pence.

Unilever (ULVR LN): The world’s second-biggest consumer- products maker plans to replace more of its top 100 managers next month, Chief Executive Officer Paul Polman said. The shares fell 17 pence, or 0.9 percent, to 1,814 pence.

Virgin Media Inc. (VMED LN): The U.K.’s second-largest pay- television company reported a higher third-quarter operating profit as clients continued to increase spending. The stock dropped 5 pence, or 0.6 percent, to 845 pence.

Yell Group Plc (YELL LN): The publisher of the Yellow Pages telephone directories will apply to the U.K. court for a so- called scheme of arrangement to approve its refinancing proposals, the Financial Times reported, citing one person close to the situation. The shares fell 6.16 pence, or 11.7 percent, to 46.34 pence.

To contact the reporter on this story: Ben Martin in London at bmartin38@bloomberg.net.

Last Updated: October 29, 2009 03:42 EDT