Shares of Builders FirstSource ( BLDR ) have been a very poor performer over the past year, losing about a quarter of their value as the company has been hurt by weakening residential construction. Shares were flattish Thursday as investorsOver fifteen years of experience making contrarian bets based on my macro view and stock-specific turnaround stories to garner outsized returns with a favorable risk/reward profile. If you want me to cover a specific stock or have a question for an article, just let me kn ...