Al-Qaeda is watching the US stock market’s downward slide with something akin to jubilation, with its leaders hailing the financial crisis as a vindication of its strategy for crippling America’s economy through endless, costly foreign wars against Islamic insurgents.

And at least some of its supporters think John McCain is the presidential candidate best suited to continue that trend.

“Al-Qaeda will have to support McCain in the coming election,” said a commentary posted Monday on the Qaeda website — al-Hesbah. It said the Arizona Republican would continue the “failing march of his predecessor”, President Bush.

The web commentary was one of several posts by Taliban or al-Qaeda-allied groups in recent days that trumpeted the global financial crisis and predicted further decline for the US and other Western powers. In language that was by turns mocking and ominous, the newest posting credited al-Qaeda with having lured Washington into a trap that had “exhausted its resources and bankrupted its economy”. It further suggested that a terrorist strike might swing the election to McCain and guarantee an expansion of US military commitments in the Islamic world.

“It will push the Americans deliberately to vote for McCain so that he takes revenge for them against al-Qaeda,” said the posting, attributed to Muhammad Haafid, a longtime contributor to the password-protected site. “Al-Qaeda then will succeed in exhausting America.”

It was unclear how closely the commentary reflected the views of al-Qaeda leader Osama bin Laden, who has not issued a public statement since the spring. Some terrorism experts said the support for McCain could be mere bluster by a group that may have more to fear from a McCain presidency. In any event, the comments summarised what has emerged as a consensus view on jihadist sites, said Adam Raisman, a senior analyst for the Site Intelligence Group, which monitors Islamic web pages. Site provided translations of the comments to The Washington Post.

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