Trading between macro means on long term basis, price signalling uncertainty. Price has recently failed 5-year mean at 69 and is now between it and 10-year mean at 60. No trend on macro basis is an outlier, indicating that currently long term institutional investors are unsure regarding this company.
On short term basis WMT is on a risk of further decline, as it is trades below 1st st deviation from mean.
The short term level is above 5 year mean, so as long as price will be trading below 69, it risks to fall onto the 10-year mean at 60