The S&P 500 index's "wartime mode": rises at the start of the week, then trades sideways, begins to fall on Thursday and Friday.
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A five-week-long Middle East war that has impacted the global economy has caused U.S. stocks to develop a predictable pattern: strong opening at the beginning of the week, sideways trading in the middle, then almost “on schedule” declines every Thursday and Friday.
Similar trends have also appeared to varying