Tim Christoffersen, Director at OPLINK COMMUNICATIONS INC (OPLK), sold 5,080 shares at $21.13 ($107K) on 2013-08-13, disclosed to the SEC on 2013-08-15.
Seasonal sale ($107k) by Director — this insider has traded OPLK in August in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.