Hi to all traders (TGFOREX)

The three black holes of investing, Cramer said Wednesday, are Chinese public companies, airlines and Russia.

An airstrike near Libya's oil infrastructure has markets bracing for a prolonged disruption from the OPEC nation, sending oil [CLCV1 102.29 0.06 (+0.06%) ] prices to a 2 1/2 year high. As the world's largest oil producer, Russia is cashing in on the recent spike in oil prices. Cramer, however, doesn't recommend investing in the former USSR.

"It has made tremendous steps backwards in the last 15 years," Cramer said of Russia, adding that it doesn't reinvest its money, allowing few to get rich there. "I just don't think it's a good place to invest in at all."

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