Refrigeration Electrical Engineering Corporation (HOSE: REE) explained the fluctuation in profit after tax in QIII/2011 compared to QIII/2010:

By: VND
Quarter 2/2010 Quarter 2/2011 Difference
Net revenue 459,771,323,000 440,147,996,000 19,623,327,000
Profit before tax 83,485,432,000 173,661,657,000 (90,176,225,000)
REE’s consolidated net revenue in QIII/2011 was VND440.15 billion and decreased 4.27% from the same period of 2010, mainly because the number of contracts settled in QIII/2011 was lower than one in QIII/2010
Total consolidated profit before tax in QIII/2011 was VND173.66 billion, increased 108.01% from the same period of 2010, mainly because:
Although revenue decreased 4.27%, REE was effectively in controlling input expenses, so the ratio of gross profit rose from 27.66% in QIII/2010 to 30.8% in QIII/2011
Profit from financial activities went up VND80.3 billion, including dividend, provision refunding, and deposit interest.