Buffalo stocks fell for a second week to a one-year low, led by General Motors Corp., Moog Inc. and Niagara Mohawk Holdings Inc.
The Buffalo Bloomberg Stock Index dropped 7.09, or 3.8 percent, to 177.78 this week. The employee-weighted list of 55 companies with operations in the region set a 52-week closing high of 214.74 on July 6, and a 52-week low of 177.10 in intraday trading Friday.
General Motors fell 2 1 5/1 6 to 79 this week.
Moog, a maker of aerospace parts, fell 4 5/8 to 20. Its shares dropped 9.6 percent Friday after it was downgraded to "buy" from "strong buy" by analysts Cai Von Rumohr at SG Cowen and Joseph D. San Pietro at Wasserstein Parella Securities.
Niagara Mohawk, an energy holding company, fell 1 1/4 to 12 1/4 .
Thirty-eight stocks rose, 14 fell and three were unchanged.
Among gainers, Buffalo, New York-based American Precision Industries Inc., a maker of heat-transfer and motion-technologies products, rose 1 5/1 6 to 10 5/8 .
Buffalo-based Barrister Information Systems Corp., a software maker, rose 1 1/2 to 1 1/2 .