With U.S.-China tensions on the rise, it’s no wonder that investors are keeping an eye on a weakening yuan, which has sparked global market turmoil before. More currency weakness may be in store, but analysts at Goldman Sachs don’t expect markets to be violently upended. U.S. stocks were wavering between small gains and losses Monday after news reports said China had moved to pause purchases of U.S. soybeans and pork. That came after President Donald Trump on Friday downgraded relations with Hong Kong over China’s plan to impose new national-security laws that are seen undercutting the city-state’s autonomy. “The ... (full story)