02:37 PM EDT, 05/13/2025 (MT Newswires) -- 3D Systems ( DDD ) tumbled 26% after it reported late Monday a wider Q1 loss and lower revenue from a year earlier that also missed analyst expectations.

Nearly 11.1 million shares traded intraday compared with a daily average of more than 2.71 million.

Affimed ( AFMD ) said Tuesday it decided to apply to open insolvency proceedings with the local court of Mannheim in Germany.

Shares sank roughly 80% following an increase in intraday trading volume to over 8 million from a daily average of about 104,000.

UnitedHealth Group ( UNH ) suspended its full-year outlook Tuesday amid higher-than-expected medical costs while announcing Andrew Witty has stepped down as chief executive due to "personal reasons."

Shares retreated 17% as intraday trading volume climbed to about 43.1 million from a daily average of roughly 7.03 million.

Price: 1.89, Change: -0.66, Percent Change: -26.04