In SCDigest's weekly review of the stock market performance across a group of over 20 supply chain software and hardware firms, as well as freight carriers and logistics service providers, it was a big down week on Wall Street, with the S&P 500 falling 0.9%, while our Index for the week was down even more, dropping 3.3%, using an unweighted average.

The only two winners for the week in our index were RFID firm Impinj, up 23.1%, and 3PL CH Robinson, which rose 10.9%.

The top loser in our index for the week was UPS, down a big 18.4%, followed by carrier Old Dominion, which fell 15.1%.

See performance for the past week, month and year for each stock and the whole index in the chart below: