Our weekly best and worst reports show you stocks with the best potential returns over the coming 6 to 12 months.

The best scoring mid caps from one year ago (1/30/2013) averaged 362 bps of excess over the S&P 400, with 0% turnover. The top performers include ILMN up 172%, NFLX up 130%, VRX up 100%, ACXM up 78%, and HBI up 77%.