January presented us with a month of stock market decline but last Friday's gain "snapped a three-day streak of losses and left the S&P 500 up 0.8 percent for the week." Today's #PeekoftheWeek lists some possible reasons why the first weekly gain of the year took a few weeks to occur and how economic expansion is leading us to more space exploration. Take our "space economy" quiz to find out how much you know!
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