Industrials

China suffers natural gas shortage as coal ban backfires

Chinese authorities have commandeered supplies of natural gas to heat homes, disrupting supplies to industry, after efforts to clear smog-choked air by banning coal use led to energy shortages in frigid weather.

PolyMet offers $544M in financial assurances for mine costs

PolyMet Mining Corp. is offering the state a $544 million package of financial assurances to serve as an insurance policy to protect taxpayers from potentially having to cover the costs of closing and cleaning up a controversial copper-nickel mine it wants to build in northeastern Minnesota.

Finisar and Caterpillar jump while Diebold and Lumentum fall

Stocks that moved substantially or traded heavily on Wednesday: Finisar Corp., up $4.41 to $23.71 Apple is making a $390 million investment in the company so it can make more lasers used in facial recognition technology.

NTSB El Faro probe highlights maritime safety issues

The National Transportation Safety Board announced that it was a confluence of factors that contributed to the sinking of the El Faro in the fury of Hurricane Joaquin on Oct. 1, 2015, which killed all 33 people on board.