Futures lower as investors shy away from risk

By Aastha Agnihotri(Reuters) – U.S. stock index futures were lower on Tuesday, as cautious investors doubled down on safer assets amid increasing concerns of a sustained slowdown in global economic growth.
* Gold prices <XAU=> steadied near seven-month highs, while yields on Japan’s 10-year government bond slipped into negative territory for the first time ever on Tuesday.
* Global markets were lower, led by a fall in European bank stocks. Chinese markets are closed through the