By Dan Weil Ark Innovation has dropped 54% this year but has enjoyed inflow of $1.2 billion over the past six months. Renowned investor Cathie Wood, chief executive of Ark Investment Management, for a second day bought big into one of the world’s biggest semiconductor makers after staying away from it for at least several months. Ark on May 27 also purchased shares in a biotechnology company that combines molecular biology, data science, automation, and genomics to design molecules, microbes and materials. Wood bought and sold some other familiar names, too. All valuations below are as of Frid…