It's cliche to say "best of the best." But when you start with the IBD 50 list of top performing stocks, then find five that are doing even better, that's really what you're talking about. Today's Screen Of The Day is Bolting Relative Strength Lines. The RS line measures a stock's performance vs. the benchmark S&P 500. Here are the top five IBD 50 stocks on the Bolting RS Lines screen: Celgene (CELG) hit a fresh all-time high near 106 on March 1