Group 1 - Dollar General Corporation's shares are experiencing a decline after a previous gain of over 4%, but there is potential for a rally to resume and prices to increase [1] - The stock has recently broken out, indicating a bullish trend, as it has surpassed a resistance level where selling interest was previously high [1][3] - If the stock remains above the former resistance level, it suggests that sellers have exited the market, potentially leading to further price increases as new buyers enter [4] Group 2 - Dollar General is approaching price levels that it previously gapped down through, indicating a lack of trading interest at those levels, which may result in fewer sellers if the stock returns to those prices [7] - Buyers will need to be aggressive to acquire shares, which could lead to a rapid upward movement in price as the gap refills [8]