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NEW YORK ( TheStreet) -- "Today we got a glimpse of what could happen if the European mess ever gets resolved," Jim Cramer told "Mad Money" viewers Tuesday, which ended with the major indices up for the day. "We saw how the market could easily rally to all-time highs on even a whiff of worldwide growth." The focus is usually on what could go wrong in Europe, but today the market was focused on Greece's "vote for pain," which Cramer said would reward the country with easier credit terms. Greece sent a message to other struggling European countries that "if you do what's right for the European Union, the Union will do right for you," said Cramer. The optimism is beyond Europe, too, with housing inflation in China "crashing down," and hopes the Federal Reserve "might have something up its sleeve to improve the U.S. economy" Wednesday, he said. Cramer pointed to several specific examples of the effects of hope, or "hopium," as he called it." FedEx ( FDX) reported an "okay number" and cut its forecast but rallied $2.50 today, and despite a number of downgrades in the industrials, stocks such as Cummins ( CMI) were also higher. In addition, Cramer said, a restoration of global growth can give us "what looks to be a bottom in the price of crude oil," sending everything from independent natural gas companies to the big oil service companies higher. In aerospace, Honeywell ( HON), Boeing ( BA) and United Technologies ( UTX) were all up Tuesday, and auto makers General Motors ( GM) and Ford Motor ( F) also rose on "hope that Europe favors growth," said Cramer. Cramer had a word of caution for viewers, saying that without more evidence that Europe will support growth, it's likely that stock prices have risen higher than they deserve to. "Cold, hard facts don't support this run in stocks," he said, "but cold, hard facts dissolve in the face of a future that looks better."