The yield on the 10-year U.S. Treasury rose above 5% on Tuesday after briefly exceeding that level the previous day. Stocks sold off in U.S. pre-market trading and in markets elsewhere. Investors told CNBC about the potential implications of a 10-year yield above 5% for equity markets, where higher government-bond yields can influence borrowing costs and the relative appeal of stocks. The article includes the market identifiers US10Y, US20Y and US30Y.