By Chuck Mikolajczak NEW YORK (Reuters) – A gauge of global stocks fell on Friday, poised to end the trading week on a down note after five straight sessions of gains, while the dollar dipped against a basket of major currencies following soft data on U.S. business activity. Wall Street posted modest losses in early trading but declines on the S&P 500 accelerated as names such as Meta and Alphabet lost ground in the wake of earnings from Snap Inc, which plunged 38.23%. Defensive sectors such as utilities and consumer staples were among the few advancers. “This can be interpreted as a warning s…