After the last halving, XAU/USD has returned 89.8%, the Nasdaq Composite (IXIC) has returned 53.2%, the S&P 500 (GSPC) has returned 39% and Bitcoin (BTC) has returned 34.3%.
Sorry, I couldn't find pricing data for that day. The closing price for Bitcoin (BTC) in terms of GBP on October 9, 2015 was 159.40. It was up 0.9% for the day.
The closing price for Amazon (AMZN) on September 8, 2021 was $176.28. It was up 0.4% for the day (up 0.5% from previous close). The latest price is $230.89.