Of course, some ladders and some rungs on those ladders are better than others. But when a stock forms a base, it's firming up, becoming more solid, becoming less volatile. This behavior give the stock the chance to move higher. This is somewhat like moving up a ladder; it's only possible when the rungs are firm and constant.
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.