It appears that you may have topped or fimmed it. Plants dont usually grow that way unless you cut off the top, sending the hormones that tell the plant to grow taller to the nearest grow site on the plant. In your case, you got 2 main chutes now. One on either side of the node closest to where the plant was cut. That thing is stretchin out a bit, wut kinda light you got? how close? Look in Advanced Cultivation, for Uncle Ben's Topping Technique. Helped me out alot, and can explain this process in full detail. Good Luck...