Enrique Banuelos, head of Astroc, invested some EUR 72.8 mln in Astroc shares over the last 15 days raising his stake in the company from 51.84% to 53.77%. According to Spain's stock market agency CNMV, Banuolos acquired about 2.3 million shares or 2% of the company following a correction of the company's shares last month.