Three mainboard issues, Meesho's ₹5,421-crore IPO, Aequs' ₹921-crore IPO and Vidya Wires' ₹300-crore IPO, will open for subscription on December 3 and close on December 5. As many as eight SMEs, including Astron Multigrain, Invicta Diagnostic, and Ravelcare, are set to open their public issues next week. Along with new IPOs, the coming week will see six stock market debuts.