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Hecla Mining Surges 12% on S&P SmallCap 600 Inclusion
10 Sep
Summary
- Hecla Mining stock price jumped over 12% on Monday
- Hecla was added to the S&P SmallCap 600 index
- Hecla reported strong Q2 results with 24% revenue growth

On Monday, September 10, 2025, shares of Hecla Mining (NYSE: HL) experienced a significant surge, rising over 12% in trading. This sharp increase was not due to any new mining discoveries or operational achievements, but rather Hecla's recent inclusion in a closely followed stock index.
The index provider S&P Global had announced the changes to its S&P SmallCap 600 index after market hours on the previous Friday. As part of the quarterly adjustments, Hecla Mining was selected as one of the 10 new additions to the index, replacing 10 other companies.
Hecla's inclusion in the S&P SmallCap 600 index, which tracks small-cap U.S. equities, appears to have boosted investor confidence in the mining company. This is in contrast to the more modest 0.2% rise in the broader S&P 500 index on the same day.
Hecla's strong financial performance in the recent past has also contributed to the positive sentiment surrounding the stock. In early August, the company reported its second-quarter results, which showed a nearly 24% year-over-year increase in revenue, reaching $304 million. Additionally, Hecla's GAAP net profit more than doubled on a per-share basis, rising from $0.04 to $0.09.