Never Mind the Shutdown. The Case for Stocks Rallying in the Fourth Quarter.

1. Boeing is considering a new single-aisle aircraft to replace the 737 MAX. 2. This move may attract competitors like GE Aerospace and Rolls-Royce. 3. Boeing's share volatility may increase as market reactions unfold. 4. Q4 could bring stock market gains amidst a low recession risk. 5. Investor optimism hinges on potential Federal Reserve interest rate cuts.