Up 100% in a year, why is this ASX 200 stock slipping on Monday?

S&P/ASX 200 Index (ASX: XJO) stock Netwealth Group Ltd (ASX: NWL) is in the red today.

Shares in the ASX 200 investment platform provider closed Friday at $30.79. In morning trade on Monday, shares are changing hands for $29.53 apiece, down 4.09%.

For some context,…