The S&P/ASX 200 Index (ASX: XJO) traded in the green for much of Wednesday before plunging into the red at the last moment. It ended the day 0.09% lower at 7,251.6 points.
And mining shares led much of its gains, with the S&P/ASX 200 Materials Index (ASX: XMJ) coming in as today's top-performing sector. It rose 2.3% to regain all of its Monday losses.
The S&P/ASX 200 Energy Index (ASX: XEJ) also outperformed today, gaining 1.6% following a strong overnight session for oil prices.
Brent crude oil rose 1.7% to US$83.89 a barrel overnight while US Nymex crude oil lifted 1.8% to trade at US$77.05 a barrel.
But not all rejoiced today. The S&P/ASX 200 Communications Index (ASX: XTJ) fell 2.3% on Wednesday as Telstra Group Ltd (ASX: TLS) shares traded ex-dividend.
So, with all that covered, which ASX 200 share posted the index's biggest gain today? Let's take a look.
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Top 10 ASX 200 shares countdown
Today's top-performing ASX 200 share was none other than Ramelius Resources Ltd (ASX: RMS). It gained 6.7% to close at $0.955 despite only silence from the gold miner.
These shares made today's biggest gains:
| ASX-listed company | Share price | Price change |
| Ramelius Resources Ltd (ASX: RMS) | $0.955 | 6.7% |
| St Barbara Ltd (ASX: SBM) | $0.575 | 5.5% |
| Perseus Mining Limited (ASX: PRU) | $2.06 | 4.83% |
| Allkem Ltd (ASX: AKE) | $11.87 | 4.58% |
| Mineral Resources Ltd (ASX: MIN) | $86 | 4.17% |
| Evolution Mining Ltd (ASX: EVN) | $2.83 | 4.04% |
| BlueScope Steel Limited (ASX: BSL) | $19.82 | 3.99% |
| De Grey Mining Limited (ASX: DEG) | $1.45 | 3.94% |
| Champion Iron Ltd (ASX: CIA) | $7.66 | 3.93% |
| Regis Resources Ltd (ASX: RRL) | $1.805 | 3.74% |
Our top 10 shares countdown is a recurring end-of-day summary to let you know which companies were making big moves on the day. Check in at Fool.com.au after the weekday market closes to see which stocks make the countdown.
