Billionaire Elon Musk's hand gesture while he spoke during a celebration of US president Donald Trump's inauguration drew online comparisons to a Nazi salute on Monday. However, a leading tracker of antisemitism said it appeared to represent a moment of enthusiasm instead. Advertisement Mr Musk dismissed criticism of the hand gesture as a "tired" attack. Mr Musk took to the Capital One Arena stage in Washington to huge cheers, pumping his arms and shouting, "Yesssss." "This was no ordinary victory. This was a fork in the road of human civilisation," he said. "This one really mattered. Thank you for making...