 Rhumbline Advisers boosted its holdings in shares of Applied Optoelectronics Inc NASDAQ:AAOI by 6.0 during the 1st quarter, Holdings Channel reports. The fund owned 67,463 shares of the semiconductor companys stock after buying an additional 3,822 shares during the period. Rhumbline Advisers holdings in Applied Optoelectronics were worth 512,000 as of its most recent SEC ... 