Dollar Tree, Inc. DLTR and Dollar General Corp. DG shares may be breaking out. This action suggests a continued move higher.This is why our technical analysis team has picked them as our Stocks of the Day.Stocks trend higher due to an imbalance in supply and demand. If there are more shares to be bought than for sale, buyers need to outbid each other. They know sellers will go to whoever wants to pay the highest price. This action forces the shares into an uptrend.At resistance levels, there are as many or ...