This ASX 200 stock just tanked 4% amid a $1.9 billion sale

After a recent winning streak, the S&P/ASX 200 Index (ASX: XJO) is coming back to earth this Wednesday. At the time of writing, the ASX 200 has lost a meaty 0.47% and is back down to around 8,455 points. But let’s talk about what’s happening with one particular ASX…