Yesterday’s nearly 200-point selloff will likely prove to be just one more meaningless blip in the context of the Dow’s angsty swings since early March. It’s tempting to think that something dramatic will soon happen to put an end to the tedium. Well, yes, something is bound to happen. But the Big Event could still be months away, if not considerably longer. Meanwhile, be aware that despite Wednesday’s dive, the bullish pattern shown is the one we should be paying attention to — and trading.