$1,000 in Quest Diagnostics Incorporated in 2000 → $44,853 today
If you'd invested $1,000 in Quest Diagnostics Incorporated (DGX) on January 1, 2000 — at the December 1999 month-end close of $5.39 — and held to the latest close (2026-08-), you'd have $44,853. That's a +4385.3% total return — beating the S&P 500, where the same $1,000 became $5,246.
Nearby years: 2001 · 2002 · 2003 · 2004 all years →
FAQ
How much is $1,000 invested in DGX in 2000 worth today?
$1,000 invested in Quest Diagnostics Incorporated (DGX) at the month-end close of 1999-12- would be worth $44,853 at the latest month-end close (2026-08-), a total return of +4385.3% with dividends reinvested.
Did $1,000 in DGX in 2000 beat the market?
Over the same span, $1,000 in the S&P 500 index would be worth $5,246 — so Quest Diagnostics Incorporated (DGX) beat the index by +755.0%.
What does "month-end close" mean for this calculation?
The scenario invests at the December 1999 month-end close (the price entering 2000) and values the position at the most recent month-end close (2026-08-). Intra-month extremes are shown on the DGX calculator page.
Is the 2000–2026 return in DGX typical?
No single year is typical. DGX's best calendar-year return since 1996 was about +364.9%, and its worst was -20.7%.
Methodology
Quest Diagnostics Incorporated (DGX) total-return data from January 2000 through the latest month-end close (2026-08-).
The entry price is the 1999 December month-end close and the exit is the latest available month-end close, both from adjusted (split and dividend) Yahoo Finance historical data.
Month-end resolution, no taxes or fees, and history never guarantees the future. For exact-date precision (including buying at a panic low), use the DGX calculator page.
Compute your own DGX scenario
Data: Yahoo Finance. As of 2026-08-. Not financial advice.