In the last four to eight weeks, we have seen a growing number of data points to suggest the lowincome consumer is feeling the collective burden of a variety of pressure points, including these elevated gas prices. >> It's a similar story for Advanced Auto Parts, whose stock is tumbling about 17%. Earnings did beat analyst estimates, but comparable store sales unexpectedly fell for the auto parts retailer. Heavy equipment maker Deer is seeing its stock rise by more than 3%. Deer reported better than expecte ...