Stock futures turned lower, trading cautiously ahead of a key inflation gauge due out before the open. Energy stocks rallied as oil prices continued to rise. China-related stocks were under pressure as the country fights to contain a coronavirus outbreak in its southeastern province of Fujian. X On the Dow Jones today, Apple rose ahead of what analysts expect will be a new product-launch event. Dow Jones futures and S&P 500 futures erased narrow early gains and slipped just below fair value, each after breaking five-day declines on Monday. Nasdaq futures also slipped, threatening to extend the composite’s losing streak…