↗ https://reddit.com/r/pennystocks/comments/1tjjnqz/21_may_2026_what_are_the_biggest_losers_and_why/
|Company|Ticker|Price|% Loss|Why It’s Dropping|
|:-|:-|:-|:-|:-|
|Cheetah Net Supply Chain Service|CTNT|Below $5|Heavy selloff|Weak financial update and volatility crush.|
|Gossamer Bio|GOSS|$0.34|\-3.8%|Continued biotech sector weakness.|
|SmartRent|SMRT|$1.14|\-2.1%|Weak sentiment in smart-home/small-cap tech.|
|GCT Semiconductor|GCTS|$1.49|\-2.3%|Profit-taking after prior rally.|
|SciSparc|SPRC|$2.98|Sharp decline|High volatility biotech selloff.|