Confirmed screwworm case in Texas sends two biotech stocks higher

A flesh-eating parasite known as New World screwworm has been found in livestock in Texas , and traders are buzzing over potential winners in the stock market. Shares of Zoetis and Elanco Animal Health popped in Thursday's trading, and typically dormant options markets on the stocks woke up with a heavy bullish bias. Zoetis was last higher by nearly 4%, and Elanco was up 2% in midday trading. …