Apparently its bottom line was boosted by "strong sales of iPhones" from its main client Apple, but since that statement came from Reuters which loves to put Apple in news stories were it does not belong and say things like "hot gadget" or "in demand" to refer to the products it we have to treat that statement with some sceptism. 

TSMC is world's largest contract chip manufacturer and it collected $2.54 billion for January-March and a quarterly revenue rise of 49.8 percent.

Winter is coming

However life does not look too grand for the future of the company. As rivals Samsung are doing rather well and are cosying up to Apple again. And even Intel is starting to make inroads into the mobile arena.

TSMC lost orders to Samsung to produce chips for Apple's next-generation iPhone, likely due out this year.

Samsung also opted for its own chips for its latest flagship phone over chips from Qualcomm which contracts a large share of its work to TSMC.