1. Coinbase launches traditional stock trading with 24/7 access and zero commissions. 2. Coinbase aims to compete with Robinhood, which has a larger market cap. 3. Market response indicates no immediate threat to Robinhood from Coinbase's move. 4. Coinbase seeks SEC approval for tokenized equities, targeting innovative market structures. 5. Investors advised to watch Coinbase's execution and performance before major changes.