GrafTech International (EAF) shares ended the last trading session 6% higher at $13.46. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 35.1% gain over the past four weeks.Per the American Iron and Steel Institute, domestic raw steel production was up 6.5% year over year to 1,764,000 net tons for the week ending on Sept. 13, 2025.  For 2025, domestic steel output is expected to increase modestly, and increased adop ...