Koppers Holdings Inc

2026. g. 24. aug. 20:04 UTC

Koppers Holdings Inc is advancing today amid broader market strength, with no specific news identified. The stock remains below its 20-day moving average.

2026. g. 21. aug. 20:14 UTC

Koppers Holdings Inc. shares are higher in after-market hours, reflecting broader market gains amid a pullback in crude oil prices.

2026. g. 20. aug. 21:02 UTC

Koppers Holdings Inc. shares advanced in after-market trading, reaching a session high above Thursday's close amid rising U.S. Treasury yields and market pressure.

2026. g. 19. aug. 20:02 UTC

Koppers Holdings Inc shares are lower today, continuing a downward trend since Tuesday. The stock remains below its 20-day moving average with no specific news identified.

2026. g. 18. aug. 21:01 UTC

Koppers Holdings Inc. shares are higher in after-market trading, despite cautious market sentiment amid fluctuations in sovereign bond yields and inflation concerns.

2026. g. 17. aug. 20:03 UTC

Koppers Holdings Inc. is declining amid broader market trends, with major tech stocks also lower as investors reassess positions ahead of earnings reports.

2026. g. 14. aug. 20:01 UTC

Koppers Holdings Inc is advancing today, supported by strong gains in the Commodity Chemicals sector and unusually high trading volume.

2026. g. 13. aug. 19:36 UTC

Koppers Holdings Inc shares are higher during Thursday's session, reflecting a broader market trend, despite pulling back from earlier session highs.

2026. g. 12. aug. 22:46 UTC

Koppers Holdings Inc. shares are higher in after-market trading, following four consecutive sessions of declines. A softer inflation report may be influencing sentiment.

2026. g. 11. aug. 20:13 UTC

Koppers Holdings Inc. shares traded roughly flat in after-market hours, maintaining a cumulative return of 0.04% since Tuesday's close.

2026. g. 10. aug. 20:14 UTC

Koppers Holdings Inc shares are higher in after-market trading. No specific news was identified to explain the movement amid broader market caution.

2026. g. 7. aug. 19:51 UTC

Koppers Holdings Inc shares are declining today, breaking a trend of higher closes. Trading volume is unusually high amid no specific news.

2026. g. 6. aug. 20:03 UTC

Koppers Holdings reported Q2 adjusted EPS of $1.37, exceeding estimates. Despite this, the company expects a challenging margin environment ahead, though shares are trading higher.

2026. g. 5. aug. 20:13 UTC

Koppers Holdings Inc. shares declined after the market closed, remaining flat amid minimal fluctuations and a broader positive outlook despite recent crude oil price declines.

2026. g. 4. aug. 20:04 UTC

Koppers Holdings is advancing amid broader market gains and strength in the Commodity Chemicals sector, despite earlier session pullbacks and concerns over economic stability.

2026. g. 3. aug. 21:01 UTC

Koppers Holdings Inc shares are lower in after-market trading, despite broader market gains. No specific news was identified to explain the decline.

2026. g. 31. jūl. 21:16 UTC

Koppers Holdings Inc shares are higher in after-market trading, recovering from a session low. No specific news was identified to explain the movement.

2026. g. 30. jūl. 19:59 UTC

Koppers Holdings Inc. shares are higher during Thursday's session, amid a broader recovery in the Nasdaq 100 Index following recent market sell-offs.

2026. g. 29. jūl. 20:04 UTC

Koppers Holdings shares are lower as the Federal Reserve maintains interest rates, raising concerns about future monetary policy shifts affecting the company.

2026. g. 28. jūl. 23:36 UTC

Koppers Holdings Inc shares advanced in after-market trading, recovering from earlier lows and remaining above the 20-day moving average. No specific news was identified.

2026. g. 27. jūl. 19:53 UTC

Koppers Holdings Inc. is lower today amid significant downward pressure in the Commodity Chemicals sub-sector, despite a slight recovery from earlier declines.

2026. g. 24. jūl. 23:01 UTC

Koppers Holdings Inc shares are higher in after-market trading, showing unusual strength as they approach the upper end of their one-month trading range.

2026. g. 22. jūl. 23:11 UTC

Koppers Holdings Inc shares are higher in after-market trading, reflecting increased volatility amid geopolitical tensions and rising crude oil prices.

2026. g. 21. jūl. 23:41 UTC

Koppers Holdings Inc. shares are higher in after-market trading, reflecting broader regional optimism as Asian markets, including the Nikkei 225, show strength.

2026. g. 20. jūl. 19:46 UTC

Koppers Holdings Inc shares are higher, recovering from an early dip. The stock has trended upward for three consecutive sessions.