 Heres a roundup of top developments in the biotech space over the last 24 hours.Scaling The Peaks Biotech Stocks Hitting 52-week Highs April 2BELLUS Health Inc NASDAQ: BLUDown In The Dumps Biotech Stocks Hitting 52-week Lows April 2 BIOLASE Inc NASDAQ: BIOL BioNano Genomics Inc NASDAQ 