LOOP is leading the Materials sector gainers and Intrepid Potash Inc is at the head of the Materials sector losers

The Materials sector has been trending down so far today. Here are the top gainers and losers as of this writing:

Gainers:

LOOP - Loop Industries Inc  +4.1%

PLM - Polymet Mining Corp  +2.6%

PPG - PPG Industries, Inc.  +1.6%

Losers:

IPI - Intrepid Potash Inc  -11.3%

AA - Alcoa Corp  -8.9%

TGB - Taseko Mines Ltd.  -8.3%

AMR - Alpha Metallurgical Resources Inc  -8.0%

RYI - Ryerson Holding Corp.  -8.0%

CF - CF Industries Holdings Inc  -7.1%

ZEUS - Olympic Steel Inc.  -6.9%

ASIX - AdvanSix Inc  -6.6%