Most stocks in Sector Leaders have already broken out, but Illumina (ILMN) could be gearing up to make a move. The stock, which appeared on Thursday’s Sector Leaders, began what looked like the start of a new flat base after striking a Jan. 28 high. But with the past few days’ action, a shallow double-bottom is taking shape. Illumina was featured in this column on Tuesday — at the time it was trying to reclaim its 10-week moving average.