FXstreet.com (Barcelona) - U.S. markets are gong through moderate advances on Thursday's opening times, as investor's optimism as been buoyed by on better than expected U.S. jobless claims and Alcoa's quarterly profits. the Dollar is picking up against majors after widespread declines previously on the day.

Dow Jones Index rises 0.4%, the Nasdaq Index adds another 0.4%, and the S&P Index trades 0.45% above its opening level in the first hour of trading.

On the macroeconomic domain, U.S. initial jobless claims declined by 33k in the week of October the 3rd to 521,000, their lowest level since early January

Dollar trims losses

EUR/USD rally from 1.4650 low on Thursday as extended to a fresh 2-weeks high at 1.4800 on the back of Trichet's speech but rejected by the mentioned high, the Euro has reversed to levels right below 1.4750 at the U.S. session opening.

USD/JPY bounced from 88.15 intra-day low on European session, and the Dollar advanced ahead of the U.S. session opening to hit intra-day high at 88.70 which has not given way so far. At the moment, the Dollar trades around 88.55.

GBP/USD rose from 1.5860 low on Wednesday to a fresh one-week high at 1.695, right below 1.6100 resistance, and the pair eased to levels around 1.6050.