Asia-Pacific markets are set for a mixed open on Friday, after Wall Street benchmarks the Nasdaq Composite and the S&P 500 posted their worst day in nearly two months on a downbeat Microsoft earnings forecast and MetaTrader results. Traders await a raft of economic data from the region, including Australia's third-quarter producer price index reading and China's Caixin manufacturing purchasing managers' index for October. Japan's Nikkei 225 appears set for a weaker open, with futures in Chicago at 38,470 and its Osaka counterpart at 38,370 against the index's last close of...