The S&P/ASX 200 Index (ASX: XJO) lifted on Wednesday, rising 0.47% to close at a five-week high of 7,343.9 points.
It followed a mixed session on Wall Street overnight. The Dow Jones Industrial Average Index (DJX: .DJI) rose 0.3%, while the S&P 500 Index (SP: .INX) traded flat, and the tech-heavy Nasdaq Composite Index (NASDAQ: .IXIC) posted a 0.4% fall.
Interestingly, however, the S&P/ASX 200 Information Technology Index (ASX: XIJ) was the top-performing sector today. It rose 1.4% on Wednesday.
Mining stocks also had a strong session, with the S&P/ASX 200 Materials Index (ASX: XMJ) gaining 1.4%, helped by shares in Champion Iron Ltd (ASX: CIA).
But it wasn't all green on the Aussie bourse today. The S&P/ASX 200 Utilities Index (ASX: XUJ) fell 0.4% while the S&P/ASX 200 Financials Index (ASX: XFJ) slipped 0.1%.
So, with all that in mind, let's take a look at today's top-performing ASX 200 share.
Top 10 ASX 200 shares countdown
Today's biggest gain was posted by ASX 200 tech outfit NextDC Ltd (ASX: NST) – its share price roared 8.1% higher to close at $12.02.
It came after the company released a positive update on customer contract wins.
These shares made today's biggest gains:
| ASX-listed company | Share price | Price change |
| NextDC Ltd (ASX: NST) | $12.02 | 8.09% |
| Megaport Ltd (ASX: MP1) | $4.34 | 7.69% |
| Champion Iron Ltd (ASX: CIA) | $7.33 | 7.01% |
| Lendlease Group Ltd (ASX: LLC) | $7.86 | 4.24% |
| De Grey Mining Ltd (ASX: DEG) | $1.63 | 3.82% |
| Liontown Resources Ltd (ASX: LTR) | $2.72 | 3.82% |
| Nickel Industries Ltd (ASX: NIC) | $0.935 | 3.31% |
| Sims Ltd (ASX: SGM) | $16.43 | 2.94% |
| West African Resources Ltd (ASX: WAF) | $1.05 | 2.94% |
| Rio Tinto Ltd (ASX: RIO) | $121.76 | 2.71% |
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.
