For goodness sake people stop racking beer off your yeast!! It's like searing a piece of chicken on the grill for about 30 seconds a side and because it looked cooked on the outside you took it off the heat.
With a really huge yeast population it's possible for a majority of the fermentation to take place in really short period of time, but we're talking a few days not a single day here. Even without any visible signs of fermentation it might still be fermenting. You simply can't tell for sure w/o using your hydrometer.
Like Calder said there is probably enough yeast in suspension to finish out, you're just going to have to wait longer since you racked if off of the bulk of your healthy yeast.
Secondary is NOT a fermentation stage, it's a clarification stage