Dollar nudges up ahead of payrolls, earnings support stocks

By Vikram Subhedar LONDON (Reuters) - The dollar recovered from 12-week lows but was poised for a fourth straight weekly loss in cautious trading on Friday ahead of U.S. payrolls data, while a set of healthy corporate results underpinned gains across European equity markets. Earlier in the day, an unexpected tightening of policy by China's central bank put Asian markets, already on the back foot on growing concerns about U.S. President Donald Trump's aggressive policies, under further pressure.