Why this ASX 200 tech share is leading the pack this week

It’s a tight race. And markets have yet to close for the day.

But it looks like this week’s top performer on the S&P/ASX 200 Index (ASX: XJO) is… drum roll please… Appen Ltd (ASX: APX).

Appen leads the ASX 200 for the week

With today’s intraday gain of 2.4% factored in, the Appen share price is up 12.6% this week (at the time of writing).

This week’s performance will come as welcome news to longer-term shareholders of the machine learning and artificial intelligence company.

That’s because Appen shares have been on a largely downward slide since the ASX 200 tech darling hit an all-time high closing price of $43.66 on 26 August. This means that, despite the banner week it has just enjoyed, the Appen share price…