Since the March 1 follow-through day, when the market's strong price and volume gains confirmed the current uptrend, exchange traded funds have been breaking out of bases along with top-rated stocks. Here's a look at a few high-flying sector ETFs that have broken out to new 52-week highs. Biotech Buyout Bonanza First Trust NYSE Arca Biotechnology Index Fund (FBT)has soared 31% since its recent bottom on Feb. 5 thanks to buyout news on two of the