Gold is a precious metal and is seen as an inflation hedge. It is not likely for it to sharply drop or increase in price and it should be rather stable. Most of the countries have a reserve of precious metals in the portfolio or serves. If you ever see precious metal fluctuating wildly in value, then you would have a pretty big problem.

The general index and stocks are currently down at the moment. It is perfectly normal for Bitcoin to be influenced by it, especially when you consider the market cap to be in the trillions. Attributing price movements to the right factor is important to understand what's going on. Else, you're going to be driven by the paranoia and fear.