By Ian Sayson - Apr 18, 2011 10:35 AM GMT+0800

Chemrez Technologies Inc. (COAT) advanced to the highest in six months in Manila trading after the producer of biofuel said first-quarter profit gained 28 percent.

The stock climbed 1.6 percent to 2.53 pesos as of 10:29 a.m. local time, poised for the highest close since Oct. 8. The benchmark Philippine Stock Exchange Index increased 0.6 percent.