Several small-cap stocks rallied on RTuesday. Carbon Revolution soared 157%; NeueHealth skyrocketed 64%; SEALSQ jumped 13%.

Carbon Revolution has secured a new $25 million financing agreement with Orion Infrastructure Capital (OIC), to be released in five US$5 million tranches. Each tranche release includes penny warrants for OIC and existing noteholders, representing 5% of outstanding shares. Additionally, existing noteholders agreed to release $2 million of loan reserves in five $400,000 tranches.

NeueHealth stock surged following news the healthcare company would be taken private in a deal with an affiliate of New Enterprise Associates.

Under the terms of the deal, NeueHealth shareholders would receive $7.33 a share in cash.

Some of the company's stockholders entered rollover agreements which would see them exchange shares of stock for newly issued equity interests in the privately held company.

NeueHealth said its executive leadership team would continue with the company, adding that they intend to roll over 100% of their equity interests for newly issued equity interests in the privately held company.

SEALSQ announced its development of solutions to address quantum computing challenges through its QUASARS project, focusing on Post-Quantum Cryptography (PQC) and quantum-resistant hardware for IoT and blockchain networks. The company highlighted Bitcoin's vulnerabilities to quantum computing, particularly in p2pk and reused p2pkh addresses. Current scientific estimates indicate it takes approximately 30 minutes for a quantum computer to hack a Bitcoin signature, compared to Bitcoin's 10-minute block mining time. SEALSQ shares jumped another 34% in premarket trading after soaring 78% on Monday.