What a week it’s been. Wall Street rallied Friday but all three major indexes closed the week in the red as President Donald Trump’s budding trade war has sent jitters through US markets.

The time to do a portfolio rebalance generally is not in the midst of a market downturn. But what you may want to do if you're years away from retirement is ride out this wave of volatility, and then do a checkup once things settle.

The benchmark FTSE 100 was up 0.6% at 1112 GMT. However, the index was poised to lose 1% for the week, its second consecutive weekly decline, as volatility triggered by back and forth on U.S. tariff policies, and downbeat quarterly earnings, pressured equity markets.