Americas United Bank reported assets grew to $56.6 million in the second quarter, up from $34.4 million at year end, 2006. Deposits rose to $30.3 million from $6.9 million at year end. Loans increased to $20.3 million from $1.9 million at year end. The Glendale-based Hispanic bank startup, which opened in November, 2006, lost $869,000 in the second quarter