If you haven't checked the stock market today, you'd better take a look. It was nothing short of an extraordinary session for the S&P/ASX 200 Index (ASX: XJO) and most ASX 200 shares this Tuesday.
As we covered earlier this afternoon, today saw the ASX 200 vault notably higher and mint a new record high. At market close, the index had jumped by 0.89% and is now sitting at 8,374 points after hitting a new record of 8,446.4 points in earlier trade.
With a gain (and record high) of this magnitude, it won't come as a shock to most readers to learn that more than a few ASX 200 shares also minted fresh 52-week, or all-time highs, this Tuesday. In fact, no fewer than 17 ASX 200 stocks have seen their all-time records reset during today's session.
Let's go through all 17.

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17 ASX 200 shares that saw new record highs today
Here are the ASX 200 shares that reached new all-time highs this Tuesday:
| ASX 200 share | Gain (or loss) | Closing share price | New record high |
| Commonwealth Bank of Australia Ltd (ASX: CBA) | 1.69% | $155.61 | $157.28 |
| WiseTech Global Ltd (ASX: WTC) | 2.37% | $138.84 | $140.79 |
| Aristocrat Leisure Ltd (ASX: ALL) | 68.93% | $69.81 | $69.81 |
| REA Group Ltd (ASX: REA) | 2.93% | $249.11 | $250.73 |
| Brambles Ltd (ASX: BXB) | 1.82% | $19.60 | $19.66 |
| Xero Ltd (ASX: XRO) | 3.71% | $176.88 | $177.62 |
| Pro Medicus Ltd (ASX: PME) | 1.95% | $212.59 | $214.99 |
| Computershare Ltd (ASX: CPU) | 1.48% | $30.90 | $31.23 |
| Car Group Ltd (ASX: CAR) | 2.50% | $41.84 | $42.22 |
| HMC Capital Ltd (ASX: HMC) | 1.57% | $11.68 | $11.80 |
| HUB24 Ltd (ASX: HUB) | 2.14% | $73.48 | $73.74 |
| Netwealth Group Ltd (ASX: NWL) | 1.36% | $30.57 | $30.90 |
| Qantas Airways Ltd (ASX: QAN) | 0.79% | $8.97 | $9.05 |
| JB Hi-Fi Ltd (ASX: JBH) | 0.57% | $89.72 | $90.89 |
| NRW Holdings Limited (ASX: NWH) | 1.52% | $4.00 | $4.02 |
| TechnologyOne Ltd (ASX: TNE) | 10.05% | $29.45 | $30.34 |
| Alcoa Corporation (ASX: AAI) | 2.11% | $69.78 | $70.08 |
What stands out with these new highs?
It was evidently a phenomenal day for ASX 200 shares, with stocks of all walks of the market pushing higher to new records. We've got a bank in CBA, tech shares Xero and Wisetech, and other assorted blue chips like Qantas and JB Hi-Fi.
It's hard to say for sure what prompted these dramatic gains today, although we did discuss some possible catalysts earlier this afternoon. Rising American markets and a bump in commodity prices are at least partially responsible.
Let's see what happens on the ASX 200 over the rest of this trading week.