Hints of confidence

A renewed sense of confidence has become evident in biotech stock trading as investors have started to look past the initial shock of product failures and ill political winds with less fear.

The BioCentury 100 jumped 5 percent last week, with 66 of the 100 stocks gaining in price, the largest number since the last week in December. Of the 189 total stocks in BioCentury's universe, 98 were up.