Apple Inc. (NASDAQ:AAPL), Google Inc (NASDAQ:GOOG) and Microsoft Corporation (NASDAQ:MSFT) are the most commonly held stocks among hedge fund managers according to an international survey conducted by Novus Research Chief Research Officer Stan Altshuller and research associate Yuanjie Zhang, with more managers taking positions on Apple Inc. (NASDAQ:AAPL) and Microsoft – allowing Microsoft to displace American International Group Inc (NYSE:AIG) – and Google Inc (NASDAQ:GOOG) having fewer net positions than last year. Altshuller and Zhang estimate that 30% of all hedge funds own Apple stock. Apple, Google popular with hedge funds by almost any measure Raising the bar slightly, counting only positions that represent…