CLH ▲ +0.6% - Clean Harbors, Inc. $CLH Clean Harbors Announces $600 Million Senior Notes Offering Clean Harbors announced a $600 million senior notes offering, a debt issuance that the market received positively as the stock rose 0.6% on the news. The offering likely signals the company's confidence in its financial position and ability to refinance or fund operations, supporting investor sentiment. 17-SEP-2026 08:17 AM ET