According to @CNBC, Barclays announced a surprise $670 million share buyback on Oct 22, 2025 (source: @CNBC). The report confirms a new repurchase move focused on returning capital to shareholders, but provides no additional details on timing, duration, or guidance changes, making near-term trading centered on the $670 million headline (source: @CNBC). No direct impact on cryptocurrencies was cited by the source, so any crypto market read-through is not stated in the report (source: @CNBC).