Hu, Gang; Meng, J. Ginger; Potter, Mark E. - In: Journal of Business Finance & Accounting 35 (2008-06) 5-6, pp. 679-703
We find that opinion divergence among professional investment managers is commonplace, using a large sample of transaction-level institutional trading data. When managers trade together, future returns are similar regardless if they are all buying or selling, inconsistent with the notion that...