Ecolab (ECL) has two good things going for it, if you're an IBD-style investor seeking a dividend stock. The giant provider of cleaning-related products and services has hiked its dividend, and it's also been showing mostly encouraging chart action. The St. Paul, Minn.-based company declared on Dec. 6 that it's raising its quarterly dividend by 15% to 23 cents a share. That results in an annual dividend of 92 cents, yielding about 1.3%. "This cash