 Invesco Ltd. trimmed its holdings in shares of Dril-Quip, Inc. NYSE:DRQ by 44.9 during the first quarter, according to its most recent Form 13F filing with the SEC. The firm owned 245,390 shares of the oil and gas companys stock after selling 199,660 shares during the period. Invesco Ltd. owned approximately 0.70 of Dril-Quip worth ... 