Sunworks Inc. saw the largest decrease in short interest relative to shares outstanding among SNL-covered power and gas companies between Nov. 15 and Nov. 30.
The percentage of the company's shares held short relative to shares outstanding dropped 523 basis points to 3.03% as of Nov. 30.
MYR Group Inc. had the greatest increase in short interest relative to shares outstanding among SNL-covered power and gas companies between Nov. 15 and Nov. 30. The percentage of the company's shares held short relative to shares outstanding increased 177 basis points to 3.74% as of Nov. 30.
Spark Energy Inc. topped the list of most shorted power and gas companies in the second half of November. The company saw short interest slip 36 basis points to 28.57% of shares outstanding.
Arch Coal Inc. was the most shorted coal company in the second half of November. The company saw short interest fall 43 basis points to 13% of shares outstanding.

