These UK share prices are soaring! Should I buy these stocks in my ISA in May? More on: Image source: Getty Images I’m searching for some of the best British stocks to buy for my ISA today. Here are three UK shares whose soaring prices have caught my attention. A high-risk FTSE 100 share It’s perhaps no surprise to see the Barclays (LSE: BARC) share price go gangbusters in recent months. The bank is up 70% over the past year as impressive coronavirus vaccine rollouts in the company’s key British and US marketplaces have fuelled hopes of a strong economic recovery.