MSFT closed at 27.41 with heavy volume. It barely broke out the resistence, but the long candle looks less bullish. Obviously, a lot of people are selling into the pop and the buying demand could not hold up in the close. If tomorrow it has a follow up, it will be very bullish.

You can go long at the breakout or wait for the handle in a typical cup-and-handle case, but the pullback may not happen if it is very strong breakout.