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24 December 2018: The worst Christmas Eve on record

Stocks suffered their worst Christmas Eve session ever, with the S&P 500 down about 2.7 percent and the Dow down over 650 points, amid fears about Fed rate hikes, a government shutdown and trade wars. The S&P was nearly 20 percent below its September peak. Two days later the Dow rallied over 1,000 points, and by spring the market was back at record highs.

The lesson: Holiday-season panics can reverse just as fast as they arrive.

What it meant for investors

$1,000 in S&P 500 index fund at the start of 2018 → $2,519 today, vs $2,519 in the S&P 500.

We start the clock at the start of 2018, the year it happened. That is 2.5 times the money, but $0 less than a plain index fund made over the same years.

What S&P 500 index fund teaches: Owning the whole market removes the risk of picking the wrong company but not the risk of a lost decade, so time horizon matters as much as diversification.

Bought inPrice thenWorth todayS&P 500 would be
2015$2,060$3,301$3,301
2018$2,700$2,519$2,519
2020$3,250$2,092$2,092

green = beat the S&P 500 · red = lost money

What if you bought S&P 500 index fund? Every starting year and the full story →

24 December 2018: The worst Christmas Eve on record