DGX $58.80 Quest Diagnostics Increases Share Repurchase Authority By $750 Million Quest Diagnostics Reports Strong Performance- Fourth quarter diluted EPS grew 11% on revenue growth of 2.7%; cash from operations totaled $360 million - Full year diluted EPS grew 20% on revenue growth of 2.8%; cash from operations totaled $1 billion - 2010 EPS expected to be between $4.10 and $4.30 per diluted share