In August, as the U.S. watched rescuers attempt unsuccessfully to reach workers trapped following a fatal accident at a Utah coal mine, lawmakers inevitably called for tougher safety regulations to govern the industry.

FORBES: America's Most Dangerous Jobs

According to the Colombian Geological Survey (Ingeominas), an accident was reported at the Desespero coal mine.

CNN: Nine feared dead in flooded Colombian coal mine

On the downside, China Coal Energy fell 0.8% after a flooding accident at a mine operated by a unit killed four miners, prompting a suspension of all the unit's operations.

WSJ: Wall Street Strength Lifts Asia Markets

In West Virginia's coal mining communities this weekend, funeral services are being held for victims of the Sago Mine accident this past week.

NPR: Life in a Mining Town