DMC Global (BOOM) shares slumped 33% amid heavy trading after the company reported late Monday a swing to a Q4 adjusted loss and lower revenue from a year ago.

More than 1.04 million shares of the company traded intraday compared with a daily average of about 188,000.

Tennant (TNC) reported lower-than-expected Q4 adjusted earnings and net sales late Monday.

Shares sank 26% following an increase in intraday trading volume to over 802,000 from a daily average of about 124,000.

Expeditors International of Washington (EXPD) reported a year-over-year decline in Q4 earnings and revenue.

Shares dropped 8.4%, with intraday trading volume rising to over 1.94 million from a daily average of roughly 1.49 million.

Price: 5.80, Change: -2.91, Percent Change: -33.41