Our weekly best and worst reports show you stocks with the best potential returns over the coming 6 to 12 months. The score is calculated by fusing together the key drivers of price movement.

The best scoring mid caps from one year ago (1/10/2013) averaged 551 bps of excess over the S&P 400, with 0% turnover. The top performers included NFLX up 270%, ILMN up 102%, ACXM up 96%, HBI up 94%, MAN up 92%, and GMCR up 91%.

The best scoring mid caps from one year ago averaged 762 bps of excess over the S&P 400, with 0% turnover. The top performers included NFLX, ACXM, MAN, ILMN, HBI, and VRX.

The best scoring mid caps from one year ago averaged 526 bps of excess over the S&P 400, with 0% turnover. The top performers included ACXM, CNO, BEAV, BC, and OCR.

The best scoring mid caps from one year ago averaged bps of excess over the S&P 400, with 0% turnover. The top performers included ACXM, CNO, BEAV, BC, and ALK.