Discount retailer Dollar General ( DG) offers a selection of merchandise, including consumables, seasonal, home products and apparel. This stock is trading up 2.3% at $40.39 in recent trading Today's Volume: 2.8 million shares Average Volume: 2.4 million shares Volume % Change: 294% From a technical standpoint, DG has started to bounce hard today right off its 50-day moving average of $39.23 on strong volume. Any time a stock bounces big off its 50-day with volume it should be considered bullish. Market players should how watch this stock for a breakout trade if it can manage to clear some overhead resistance levels. Traders should look for a sustained high-volume move and close above $41.25. If that breakout hits, then DG will be trading in all-time high territory, which is very bullish for any stock. Dollar General, which shows up on a list of 6 Holiday Retail Stocks to Watch, is one of Warren Buffett's holdings -- Berkshire Hathaway increased its position in the stock by 200% in the most recently reported quarter -- and also shows up in Steven Cohen's SAC Capital's portfolio.