Mealey's (July 20, 2016, 2:41 PM EDT) -- SAN FRANCISCO — A federal judge in California on July 18 granted preliminary approval of a $23.5 million settlement between shareholders and a semiconductor company and others in a securities class action lawsuit, appointing shareholders as class counsel and approving the proposed settlement class (Keith Thomas, et al. v. MagnaChip Semiconductor Corp., et al., No. 14-1160, N.D. Calif.)....