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 an up week on Wall Street last week, with the S&P 500 rising 0.%. But our index did better, up 2.9%, using an unweighted average.

The biggest winner in our index for the week was RFID vendor Impinj, up 8.0%, followed by 3PL carrier Werner, up 6.6%.

The biggest loser was rail carrier Union Pacific, down 1.7%, while data collection firm Zebra Technologies dropped 1.5%.

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