By Sinéad Carew NEW YORK (Reuters) – Equity indexes closed lower on Wednesday while U.S. Treasury yields rose as investors eyed 2023 with caution and weighed hopes for an economic boost from China’s relaxed COVID-19 restrictions against concerns about rising infections there. The yield on benchmark U.S. 10-year Treasuries rose for a third straight day, reversing an earlier decline as investors watched China’s reopening and also placed bets on the Federal Reserve’s future interest rate hiking path. In currencies, the dollar hit a one-week high against the yen with a boost from rising Treasury y…