Bristol Myers surges 10%, its biggest increase since 2008, after boosting profit forecast

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• Bristol-Myers Squibb reported strong earnings on Friday, raising its full-year profit forecast.
• The company beat both sales and profit estimates in the second quarter.
• Shares spiked as much as 11% at intraday highs, the most since 2008.

Bristol-Myers Squibb's stock climbed as much as 11% on Friday, its biggest intraday surge since 2008, after beating profit forecasts and raising full-year guidance.

The drugmaker's second-quarter...