The S&P/ASX 200 Index (ASX: XJO) ended the trading week on a sour note this Friday, with many ASX shares drifting lower over the session. After an early burst of optimism in morning trading, investors' feet grew colder over the rest of the day, with the ASX 200 finishing up with a loss of 0.11%.
That leaves the index at 8,630.8 points as we head into the weekend.
This disappointing end to the Australian trading week comes after a far more optimistic trading day on Wall Street last night.
The Dow Jones Industrial Average Index (DJX: .DJI) was in a jolly mood, gaining a healthy 0.75% and once again cruising over 50,000 points.
The tech-heavy Nasdaq Composite Index (NASDAQ: .IXIC) was even more bullish, rising 0.88%.
Let's get back to ASX shares now and dig a little deeper into what was going on with the different ASX sectors this Friday.

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Winners and losers
Despite the market's drop, we had far more green sectors than red ones today.
But first, it was gold stocks that took the brunt of the selling. The All Ordinaries Gold Index (ASX: XGD) ended the day down a nasty 3.62%.
Broader mining shares fared similarly, with the S&P/ASX 200 Materials Index (ASX: XMJ) plunging 2.84%.
Utilities stocks were also unpopular. The S&P/ASX 200 Utilities Index (ASX: XUJ) saw its value crater 1.43% today.
That's it for the losers, though, so let's get to the winners. Tech shares led the charge higher, as you can see by the S&P/ASX 200 Information Technology Index (ASX: XIJ)'s 3.2% surge.
Energy stocks ran hot as well. The S&P/ASX 200 Energy Index (ASX: XEJ) ended up soaring 2.18%.
Communications shares were in demand too, with the S&P/ASX 200 Communication Services Index (ASX: XTJ) shooting 1.01% higher.
Financial stocks were right on that tail. The S&P/ASX 200 Financials Index (ASX: XFJ) roared up a flat 1%.
Industrial shares were in that ballpark as well, evidenced by the S&P/ASX 200 Industrials Index (ASX: XNJ)'s 0.97% jump.
Next came consumer staples stocks. The S&P/ASX 200 Consumer Staples Index (ASX: XSJ) saw its value spike 0.82% this Friday.
Healthcare shares didn't miss out either, with the S&P/ASX 200 Healthcare Index (ASX: XHJ) vaulting up 0.76%.
Real estate investment trusts (REITs) saw some love as well. The S&P/ASX 200 A-REIT Index (ASX: XPJ) ended the day 0.44% heavier.
Finally, consumer discretionary stocks got over the line, illustrated by the S&P/ASX 200 Consumer Discretionary Index (ASX: XDJ)'s 0.3% bump.
Top 10 ASX 200 shares countdown
Coming in at the top of the index table this Friday was healthcare stock 4DMedical Ltd (ASX: 4DX). This session saw 4DMedical shares rocket a lucky 8.88% to finish the week at $4.147 each.
Despite this hefty jump, there was no price-sensitive news from the company today.
Here's the rest of today's best:
| ASX-listed company | Share price | Price change |
| 4DMedical Ltd (ASX: 4DX) | $4.17 | 8.88% |
| Xero Ltd (ASX: XRO) | $79.67 | 8.13% |
| EVT Ltd (ASX: EVT) | $11.99 | 5.73% |
| Tuas Ltd (ASX: TUA) | $6.10 | 5.35% |
| Fletcher Building Ltd (ASX: FBU) | $2.48 | 4.64% |
| IDP Education Ltd (ASX: IEL) | $2.76 | 4.55% |
| Yancoal Australia Ltd (ASX: YAL) | $6.71 | 4.19% |
| New Hope Corporation Ltd (ASX: NHC) | $5.23 | 3.77% |
| WiseTech Global Ltd (ASX: WTC) | $38.01 | 3.65% |
| Viva Energy Group Ltd (ASX: VEA) | $2.28 | 3.64% |
Our top 10 shares countdown is a recurring end-of-day summary that shows which companies made big moves on the day. Check in at Fool.com.au after the weekday market closes to see which stocks make the countdown.