1.   Analysts said biotechnology stocks were given a boost as investors began pinning hopes on an increasing number of new drugs and rosy prospects for those being tested.

2.   Among other companies in the state index, two Cambridge-based biotechnology stocks were among the ten biggest losers.

3.   Analysts attributed the slide to a bad day for biotechnology stocks and the fact that the study results matched the expectations generated by the earlier findings.

4.   And with biotechnology stocks falling, there seemed little chance of raising money by selling more shares to the public.

5.   Biotechnology stocks rose after positive news from two of the largest companies in the industry.

6.   Biotechnology stocks surged after Amgen Inc. said its scientists had developed an experimental therapy for treating obesity.

7.   Biotechnology stocks, which rebounded Wednesday, rose again Thursday.

8.   Biotechnology stocks are down sharply this year, in no small measure because the ImClone imbroglio has left investors wary of trusting company claims.

9.   Biotechnology stocks gained for the second day as the European Parliament begins debating on stronger patent protection measures for biotechnology products.

10.   Behind those extraordinary results is a portfolio consisting almost entirely of a single, volatile biotechnology stock, Enzo Biochem of Farmingdale, N.Y.