This year has posed an unusual array of challenges for investors, and more could be in store. The major stock market indexes are still up in 2023, powered by a narrow slice of technology stocks, but have been losing ground rapidly. Bond yields have risen sharply, topping 5% on some government debt. The economic outlook is uncertain, the U.S. government has been in turmoil, and wars and conflict are spreading across the globe.This year has posed an unusual array of challenges for investors, and more could be in store. The major stock market indexes are still up in 2023, powered by a narrow slice of technology stocks, but have been losing ground rapidly. Bond yields have risen sharply, topping 5% on some government debt. The economic outlook is uncertain, the U.S. government has been in tur...