Year-over-year, second quarter revenue increased 3.3% while net income and diluted EPS both decreased 7.6%. Compared to first quarter 2019, second quarter results represented a 10.2% increase in revenue and an 8.7% increase in net income. All figures were prepared in accordance with TIFRS on a consolidated basis.

In US dollars, second quarter revenue was $7.75 billion, which decreased 1.4% year-over-year and increased 9.2% from the previous quarter.

Gross margin for the quarter was 43.0%, operating margin was 31.7%, and net profit margin was 27.7%.

In the second quarter, shipments of 7-nanometer accounted for 21% of total wafer revenue and 10-nanometer process technology contributed 3% while 16-nanometer accounted for 23%. Advanced technologies, defined as 16-nanometer and more advanced technologies, accounted for 47% of total wafer revenue.

"In the second quarter, our business continued to be impacted by the soft overall global economic condition; customer inventory management; and high-end mobile product seasonality. But we have also passed the bottom of the cycle of our business and began to see demand increases," said Lora Ho, SVP and Chief Financial Officer of TSMC.

"Driven by new product launches of premium smartphones; the acceleration of 5G deployment; and the increasing adoption of our industry-leading 7-nanometer solutions by High Performance Computing applications, we expect our third quarter business to further improve. Based on our current business outlook, management expects the overall performance for third quarter 2019 to be as follows":