SINGAPORE -- Singapore's electronics and overall economy roared back in July, according to its latest purchasing managers' index.

The Electronics PMI was 55 for the second straight month, and remained well above the benchmark 50% level indicating a sector in expansion, said the Institute of Purchasing & Materials Management.

Production output, inventory, inventories of finished goods and imports all expanded at higher rates, the IPMM said.

Singapore's economy grew 20.4% in the second quarter.