They sure are stretching. Lotâ??s of space between nodes too. You may have your light to far away. Leafs that large with that small of a stock will cause you a lot of problems later on. Normally that many large leafs mean the temperature may be to high for to long a period. Large fan leafs are used to control internal temperature of the nutrient uptake. The small stocks will not deliver enough nutrients to produce large dense buds you want. You should be using a fan to move the air around that will help to strengthen the stock.