16股获券商买入评级，芯源微目标涨幅达15.3%

Group 1 - A total of 16 stocks received buy ratings from brokerages on December 30, with one stock announcing a target price [1] - Among the stocks with buy ratings, the highest target price indicates a potential increase of 15.3% for Chip Source Microelectronics [1] - In terms of rating adjustments, 9 stocks maintained their ratings while 7 stocks received ratings for the first time [1] Group 2 - The sectors with the highest number of stocks receiving buy ratings include semiconductors and semiconductor production equipment, automotive and automotive parts, and capital goods, each with 3 stocks [1]