Wall Street opens up and the indices continue to rise sharply, in the aftermath of the technical problem that caused a four-hour suspension of trading yesterday.
The decision of the Chinese authorities to intervene to block the collapse of the stock market favors a timid return to purchases.
Further reason for optimism comes from the publication of the minutes of the June meeting of the Fed's monetary policy committee, which revealed a slippage in the prospects for rate hikes.
Good news from Europe, thanks to the rise in the prices of an agreement with creditors that allows Greece to remain in the euro area.
Overall, positive factors are overshadowing the increase in jobless claims, which jumped 15.000 last week to 297.000, the highest since February.
Alcoa, which traditionally opens the earnings season, disappointed quarterly earnings expectations, but the stock jumped 4% on higher-than-expected revenues.
Coty drops 6% after announcing the $12,5 billion acquisition of Procter & Gamble's beauty products division (little move).
