BUZZ-Parker Drilling Co: Profit beats estimates
** Drilling services provider's shares up 9 pct at $6.59
** Reports higher-than-expected second-quarter profit, helped by higher utilization and dayrates
** Profit of 12 cents per share, compared with the average analyst estimate of 10 cents
** "We expect continued improvement in market conditions in the U.S. on land and in the Gulf of Mexico..." said CEO Gary Rich
** More than 1.2 million shares traded by 2:40 pm ET, nearly two times their 50-day average
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