91.   But as the only industrial biotechnology company in the field some investors see a bright future for the company.

92.   But biotechnology companies just starting out might not get the same chance.

93.   But biotechnology companies plan to fight any new rules.

94.   But biotechnology companies are not the only ones to benefit from the policy shift.

95.   But Davis, chief financial officer of the biotechnology company in Berkeley, Calif., says he is on to their game.

96.   But biotechnology companies respond that in practical terms, opposing patenting amounts to opposing genetic engineering.

97.   But he balances these with investments in large-capitalization pharmaceutical companies and biotechnology companies based in Europe and Asia.

98.   But it faces challenges there as well from another large biotechnology company, Genzyme.

99.   But it was also a big week for biotechnology companies.

100.   But in addition to competition from generic drug makers, biotechnology companies are facing new challenges from others in their industry.