After a two-month slide, the market has rebounded the past two sessions. The rally is still tentative, but many stocks that survived or thrived during the correction are already at or near new highs. Visa (V), ARM Holdings (ARMH) and, yes, Yahoo (YHOO), are among the highly rated companies on IBD's Screen of the Day, Bolting RS Lines. The Relative Strength line measures how a stock performs vs. the S&P 500 index. RS lines hitting new highs before