Investors pulled a record amount of money out of global equity funds in the week to Aug. 26, according to Bank of America Merrill Lynch, a measure of the alarm that China’s markets and economy have aroused around the world. The $29.5 billion outflow, including $19 billion in just one day, was the largest since the series began in 2002, surpassing any weekly outflow engendered by the collapse of Lehman Brothers in 2008. The $19 billion outflow on Aug.