Defense, P/Es &DNA Origami

Rapid earnings growth has sent the S&P 500 Aerospace & Defense industry’s share price index rocketing skyward. But how long can investors look past looming clouds? Jackie examines the industry’s fundamentals and valuation trajectories as well as what could happen to a primary funding source—the US defense budget—in the next administration. … The S&P 500 is down from its July 16 peak, but its valuation is roughly flat. Some S&P 500 sectors have been pulling it up and others pushing it down. … Also: The cancer-fighting potential of DNA origami.