US futures slipped but markets in Asia advanced Monday after Federal Reserve Chair Jerome Powell said the Department of Justice had served the central bank with subpoenas. The threat of a criminal indictment over Powell's testimony about the Fed's building renovations is the latest escalation in President Donald Trump's feud with the Fed. Trump has criticized the Fed's $2.5 billion renovation of two office buildings as excessive. Markets appeared to take the news in stride, although gold and other precious metals often used as a hedge in times of uncertainty climbed. The futures for the S&P 500 and the Dow Jones Industrial Average fell 0.5%. The future for the Nasdaq composite index slipped 0.8%. In Asia, Hong Kong's Hang Seng gained 0.4% to 26,337.92, while the Shanghai Composite index also rose 0.4%, 4,135.31. Tokyo's markets were closed for a holiday. However, the US dollar rose against the Japanese yen, climbing to 157.96 yen from 157.90 late Friday. In South Korea, the Kospi