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Gainers

• Griffon(NYSE:GFF) stock increased by 23.7% to $30.07 during Monday's regular session. Trading volume for this security as of 13:30 EST is 3.0 million, which is 806.0% of its average full-day volume over the last 100 days. The market value of their outstanding shares is at $1.7 billion.
• Greenland Technologies(NASDAQ:GTEC) shares moved upwards by 15.86% to $3.2. Trading volume for this security as of 13:30 EST is 418.4K, which is 883.4% of its average full-day volume over the last 100 days. The company's market cap stands at $36.2 million. As per the news, the Q1 earnings report came out today.
• Sentage Holdings (NASDAQ:SNTG) shares increased by...