Tournament grade optical sensor operating at 3600 Frames Per Second and supports stable movement speeds at 65 Inches Per Second.

ENGADGET: SteelSeries drops a bag of CES goodies: two headsets, three mice and one mobile controller

By changing operating procedures and burning a higher grade of coal, Midwest boosted output from the 40-year-old plants 12% last year--while reducing emissions.

FORBES: Indigestion

The earnings-quality grade rewards companies for having high sums of operating and investing cash flow relative to reported earnings (Cisco).

FORBES: A Matter of Trust

Meanwhile, as gold prices rose in recent years, companies often turned to lower-grade projects that have higher per-ounce operating costs.

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