Schlumberger Reports 13% Increase in 3Q Profit; UBS Upgrades Gilead Sciences, Wyeth, Merck, Bristol-Myers Squibb, and Schering-Plough to “Buy”; Kraft Upgraded from “Neutral” to “Buy” at Merrill Lynch; Zions Bancorp Downgraded at JPMorgan on Overpriced Sto
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