To be sure, not all of the enthusiasm for the stock reflects optimism for the company's reform strategy.

That could reflect a bit more optimism among foreign investors about American investments.

Part of the impact reflects optimism in the oil industry that salvation is on the way.

Reflecting little optimism, they gave the future a rating of 4.97.

The plan reflects optimism about China's car market.

Prices for San Francisco buildings have been rising, reflecting optimism about the office market.

Calling the market overvalued at current prices, he said the market's strength "definitely reflects optimism about the future."

But the higher prices also reflect optimism that Cadillac has turned itself around.

Yesterday's gain reflected optimism on the value of its stake in a French mobile telephone company.

The rise also reflected renewed optimism here about the economy since the end of the war in Iraq.