Blue Chips Drop After Merck Announcement
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U.S. blue chips were lower on Thursday  after drug company and Dow component Merck & Co.MRK.N said it  was withdrawing a key drug, casting a dark mood over the market  as oil prices remained above $49 a barrel.
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Stocks fell on Friday, led by pharmaceutical shares after a US health official raised concerns about drug safety and a drop in chip-equipment makers following a ratings downgrade by Goldman Sachs.
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U.S. blue chips were little changed on  Thursday as a continued drop in oil prices boosted investor  sentiment but the technology-packed Nasdaq was lower after a  brokerage cut its forecast on the semiconductor industry.
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WHITEHOUSE STATION, NJ - Merck and Co. shares fell more than 10 per cent in trading on the NYSE on Monday amid reports that company documents showed the pharmaceutical firm knew for years about health issues related to its arthritis drug Vioxx.
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U.S. blue chips fell on Wednesday,  pressured by a drop in airplane manufacturer Boeing Co. BA.N,  while technology stocks were little changed, helped by  end-of-year buying by money managers.
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The U.S. Dow Jones Industrial average declined on Thursday after drug maker Merck & Co. recalled its widely sold Vioxx painkiller and its stock sunk 27 percent.
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U.S. blue chip stocks rose on  Wednesday, helped by drugmaker Merck & Co. Inc. MRK.N, but  technology stocks fell as results from technology bellwether  Cisco Systems Inc. CSCO.O disappointed Wall Street.
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NEW YORK : US blue chips ended lower on Monday on higher oil prices and an analyst downgrade of pharmaceutical giant Pfizer; but techs managed a small gain, helped by an upgrade for Apple Computer.
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UK blue chips closed lower as Wall Street remained weaker after disappointing inflation data with Alliance & Leicester down after reporting a fall in core operating profit, held back by large scale write-downs.
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Blue chips fell on Monday as investors  fretted over higher oil prices and companies warning of lower  earnings, but buying of semiconductor shares helped to reverse  Nasdaq's losses.
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Wall Street stock indexes closed out a dismal third quarter mixed Thursday after Merck &amp; Co. stated it would remove its best-selling Vioxx arthritis drug from the market.
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U.S. blue-chip stocks finished  slightly lower on Monday, pulled down by a drop in the shares  of American International Group Inc. AIG.N as a regulatory  probe widened.
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Blue chips fell on Monday as investors  fretted over corporate profits after oil prices rose and  manufacturer Colgate-Palmolive Co. CL.N warned of lower  earnings, but semiconductors boosted the Nasdaq index.
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UK blue-chips ended down on Monday, with AB Foods dropping after its trading update, while US stocks fell for a second session in a row as Federal Reserve speeches did little to ease investor concerns over the outlook for the economy.
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NEW YORK (CBS.MW) -- Merck (MRK) shares dipped almost 2 percent to $45.16, making it the biggest decliner in the Dow. The selling is related to just surfacing concerns about the safety of its Vioxx arthritis COX-2 inhibitor drug.
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U.S. blue-chip stocks fell  on  Thursday as disappointing earnings reports from companies  including Caterpillar, UPS and Amgen combined with higher oil  prices to turn investors cautious after two days of gains.
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Merck adopted the plan at a time that its stock is down sharply and its ability to thrive as an independent company is uncertain.