Korea Investment CORP boosted its holdings in Fastenal (NASDAQ:FAST – Free Report) by 15.6% in the first quarter, HoldingsChannel reports. The firm owned 556,142 shares of the company’s stock after purchasing an additional 75,205 shares during the period. Korea Investment CORP’s holdings in Fastenal were worth $29,998,000 at the end of the most recent quarter. […]