Shares of large-cap biotechnology companies opened slightly higher Tuesday, bucking a downturn in the broader market as oil prices spiked and a government report pointed to rising wholesale inflation.
The Dow Jones Industrial average fell 145 points shortly after the opening bell.
Here's how several key biotechnology stocks performed early Tuesday:
Celgene Corp., up a penny to $59.98
Amgen Inc., up 51 cents to $42.85.
Biogen Idec Inc., up 92 cents to $63.67.
Genentech Inc., down 37 cents to $69.83.