The occasions on which Wall Street pauses and considers the exits are becoming more frequent. At home the nuanced announcements of Janel Yellen and Fed require close scrutiny in case they warn of the feared hike of interest rates.  The global markets tip-toe on eggshells due to the crisis de jour. The list of possible flash points is long; Brexit backlash, weak German and Italian banks, the real estate bubble in China, and the military hot-spots in Syria, Iraq, Israel, Yemen, and the South China Sea.

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