Starfighters Space (FJET) shares slumped more than 14% amid heavy trading after the company said Monday that founder Rick Svetkoff has resigned as chief executive, president, and chairman.

Intraday trading volume reached over 1.38 million shares versus a daily average of more than 4.09 million.

FTC Solar (FTCI) unveiled on Monday a three-year supply agreement with Lubanzi Inala, a South African solar procurement firm, while saying that initial projects identified under the deal total about 840 megawatts.

The first project under this agreement is expected to begin in mid-2026.

Shares of FTC Solar sank 13% following an increase in intraday trading volume to about 150,000 from a daily average of nearly 83,000.

Stepan (SCL) reported Q4 adjusted loss and sales that increased less than forecast on Monday.

Shares sank 20% as intraday trading volume jumped to over 184,000 from a daily average of more than 181,000.

Price: 54.12, Change: -13.11, Percent Change: -19.50