James Brumley, The Motley Fool
Wed, July 1, 2026 astatine 4:43 AM CDT 3 min read
It's an age-old question. Should you put a sizable stash of currency each astatine once, oregon abstraction your investments implicit clip (an attack called dollar-cost averaging)? The erstwhile risks putting each of your wealth successful astatine a marketplace high. The second risks missing retired connected immoderate upside that takes signifier earlier you've enactment each of your wealth to work.
There is simply a close answer, peculiarly if you're a existent semipermanent investor. That is, put arsenic overmuch wealth arsenic you tin arsenic soon arsenic you can. See, possibly the biggest hazard each investors look is missing retired connected the fewer genuinely large days the wide marketplace experiences successful immoderate fixed year.
Missed Nvidia successful 2009? This Rare Signal Is Flashing Again. In 2009, a "Double Down" awesome flashed for a little-known chipmaker called Nvidia. For the archetypal clip successful years, that aforesaid "Total Conviction" awesome is flashing for a institution 1/100th the size of Nvidia. Continue »
And that's nary tiny risk.
Number-crunching done by communal money institution Hartford puts things successful perspective, indicating that since 1996, a $10,000 concern successful the S&P 500 oregon funds similar the SPDR S&P 500 ETF Trust and the Vanguard S&P 500 ETF meant to reflector it would beryllium worthy implicit $192,000 contiguous (assuming reinvestment of its dividends). If you missed retired connected conscionable the market's 10 biggest regular gains during this stretch, however, that $10,000 concern would lone beryllium worthy a small much than $85,000. That's little than fractional of what you'd person by simply staying put.
The constituent is, the biggest semipermanent hazard investors look isn't being successful the marketplace astatine the incorrect time, but not being successful the marketplace astatine the close time. That's existent adjacent if you're adding superior to your portfolio implicit time.
Don't number connected lone being connected the sidelines during the atrocious times and successful the marketplace during the bully ones either. Hartford adds that implicit 40% of the S&P 500's champion days since 2005 materialized during a carnivore market. Sure, it's miserable portion you're taking your lumps. As Hartford's probe explains, though, astir carnivore markets past little than a year. One-third of the market's champion days besides instrumentality signifier successful conscionable the archetypal 2 months of caller bull markets.
Don't miss this 2nd accidental astatine a perchance lucrative accidental
Ever consciousness similar you missed the vessel successful buying the astir palmy stocks? Then you'll privation to perceive this.
On uncommon occasions, our adept squad of analysts issues a "Double Down" stock recommendation for companies that they deliberation are astir to pop. If you're disquieted you've already missed your accidental to invest, present is the champion clip to bargain earlier it's excessively late. And the numbers talk for themselves:

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