Cogent Communications (CCOI) shares sank 35% amid heavy trading after the company reported on Monday lower Q1 service revenue that was below analysts' estimates.

Shares sank 35% following a surge in intraday trading volume to over 5 million from a daily average of about 1.2 million.

United Parcel Service (UPS) and FedEx (FDX) shares declined after Amazon.com (AMZN) announced the launch of Amazon Supply Chain Services, opening its logistics network to businesses.

UPS shares slumped 10% as intraday trading volume catapulted to more than 12.9 million from a daily average of about 6.10 million.

Norwegian Cruise Line (NCLH) reported Monday Q2 adjusted earnings outlook below analysts' forecasts and also cut its 2026 adjusted EPS guidance.

Shares dropped nearly 9%, with intraday trading volume at over 41.3 million, versus a daily average of about 22.4 million.

Price: 15.28, Change: -7.88, Percent Change: -34.02