今年海外流入美股的资金也不少 International investors have had an on-again, off-again love affair with U.S. stocks for more than 20 years. Lately it's been very much on again. Net investment amounted to $205 billion for the 12 months ended in August, the most recent period available from the Treasury Department. The reading is the second-highest since the data was first compiled in the 1970s, behind only the $210 billion recorded in July 2007.