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Cramer: Earnings Didn't Spark This Rally

Any certainty on the macro economic front is seemingly the only thing that matters in this market, Cramer said Tuesday. After all, it wasn't earnings results, but news that the U.S. isn't going to default that ignited Tuesday's "incredible rally."

If Tuesday's gains had been on account of earnings, Cramer said Bank of America , Goldman Sachs , Johnson & Johnson and Wynn Resorts would have rallied, even though these bellwethers didn't generate the quarterly numbers the Street was looking for. Strong results from Coca-Cola , IBM and Wells Fargo just wasn’t enough to offset those misses, he argued.

"If anything, I would argue that earnings could have sent us down today since the financials would have had to play a positive role to get an earnings rally going and they can't seem to summon any positivity," Cramer said. "Instead, IBM has provided an umbrella for tech, even as that makes very little sense given that IBM's core strengths — big hardware and consulting, along with the software needed to support them — don't really translate into the rally we're seeing in the semiconductors."

Apparel makers, retailers and ultra-growth plays were among Tuesday's biggest winners, Cramer noted. These stocks included everything from Under Armour and Lululemon to Amazon.com , Chipotle Mexican Grill and Netflix . Many of these companies are benefiting from the decline in commodity prices. The high-growth names are being bought because they can deliver good numbers regardless of weakness in the economy.

Although Cramer thinks Tuesday's rally had nothing to do with earnings, he thinks it has everything to do with short-sellers . Instead of trading based of the performance of individual companies, the buyers were short-sellers who were forced to buy stocks in order to cover their positions, he explained. It was a "classic short-squeeze."

"[The rally] was about short-sellers, who bet that nothing good would come out of Washington or Europe, getting caught with their pants down," Cramer explained. "Just the slightest bit of positive macro news was more than enough to offset a host of not-so-hot quarters."

In turn, Cramer said Tuesday's rally isn't a reason to become more bullish. If anything, he said the market could easily repeal any gains if something bad happens to embolden the short-sellers.

When this story was published, Cramer's charitable trust owned Bank of America, Coca-Cola and IBM.

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