FOREX-Dollar hits 4-year high, poised for best quarter in 6 years

The dollar index, which measures it against a basket of six major currencies, has gained 7.7 percent over the last three months, the biggest quarterly gain since 2008 and a record-setting 11 straight weeks of gains. The Hong Kong dollar steadied after falling on Monday against the dollar on worries about how aggressively Beijing might deal with pro-democracy protesters there.